Search Results: "workenergy problem friction"

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05:47 Popular
Imaginary Numbers Are Real [Part 1: Introduction]

1,557 views / 1 likes - added 7 years ago

More information and resources: http://www.welchlabs.com Imaginary numbers are not some wild invention, they are the deep and natural result of extending our number system. Imaginary numbers are all about the discovery of numbers existing not in one dimen
03:06 Popular
This Pulsating Slime Mold Comes in Peace (ft. It's Okay to Be Smart) | Deep Look

941 views / 1 likes - added 7 years ago

Are You Smarter Than A Slime Mold? Let’s go ask Joe Hanson: https://youtu.be/K8HEDqoTPgk SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK: a new ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See
04:09 Popular
Easy algebra word problem - But can you solve it?

1,443 views / 0 likes - added 7 years ago

Two workers can build a house in 4 days. One worker can build the house by himself in 6 days. How long would it take the other worker to build the house by himself? Can you solve this easy algebra word problem? My name is Chris and my passion is to teach
05:24 Popular
Math Challenge - Shrinking Pool Problem

1,192 views / 0 likes - added 7 years ago

Think you can solve this math challenge? Every time a boy jumps into the pool it shrinks by a certain amount. Thy boy jumps into the pool 3 times. You must find the original length of the pool My name is Chris and my passion is to teach math. Learning sho
07:25 Popular
Algebra Word Problem - Factoring

1,702 views / 0 likes - added 7 years ago

Learn how to solve this algebra word problem by factoring. A garden has an area of 84 square feet and the length is 8 feet longer than the width. You must find the dimensions of the garden using factoring. My name is Chris and my passion is to teach math.
05:38 Popular
Algebra word problem - System of Equations

1,905 views / 0 likes - added 7 years ago

Solve this fun algebra word problem using a system of equations. If each jar has three cookies, one jar will be empty. If each jar has two cookies, there will be one cookie left over. Use a system of equations to find how many cookies and jars we have. My
03:51 Popular
A Light Bulb Mystery- Electric Resistance // Homemade Science with Bruce Yeany

774 views / 2 likes - added 7 years ago

A 110 volt light bulb and a 1.5 volt mini light bulb are wired in series to a nine volt battery. What will happen when the electricity flows? This is a nice simple demonstration of how temperature can affect the resistance in a conductor. The result is ca
32:44 Popular
The Power of Mathematical Visualization | The Great Courses

1,071 views / 0 likes - added 7 years ago

https://www.thegreatcoursesplus.com/show/the_power_of_mathematical_visualization?utm_source=US_SocialMedia&utm_medium=SocialMediaEditorialYoutube&utm_campaign=138569 The Power of Mathematical Visualization teaches you these vital problem-solving skills in
04:47 Popular
Angle of repose…Physics of toys // Homemade Science with Bruce Yeany

851 views / 0 likes - added 7 years ago

The angle of repose or critical angle of repose is how steep various types of materials can be piled without slumping. The steepness of the side of a pile is determined by the amount of friction between the particles of matter. This can vary according to
06:21 Popular
Breaking Board Paradox--air pressure // Homemade Science with Bruce Yeany

766 views / 0 likes - added 7 years ago

The first time I saw the “Breaking board paradox” demonstration was on a short film clip on air pressure starring Julius Sumner Miller way back in the late 1960’s. It has never been a very popular demonstration but I’ve always found it amazing. The few pe
04:23
Science Can Now Turn Plastic Bags Into Fuel!

638 views / 1 likes - added 7 years ago

Scientists have figured out how to turn polyethylene into diesel fuel! How did they do this and what does it mean for the future of plastic? The Shocking Truth About Biodegradable Plastics - https://youtu.be/Lx0aUk2AiNQ Sign Up For The Seeker Newsletter H
06:18 Popular
Can You Solve The Diluted Wine Puzzle?

760 views / 1 likes - added 7 years ago

A servant has a method to steal wine. He removes 3 cups from a barrel of wine and replaces it with 3 cups of water. The next day he wants more wine, so he does the same thing: he removes 3 cups from the same barrel (now with diluted wine) and replaces it
06:24
Can You Solve The Missing Sock Puzzle?

614 views / 0 likes - added 7 years ago

A statistician keeps a simple wardrobe. He only purchases pairs of black socks and white socks, and he keeps all of the socks in a pile in the drawer. Recently one of the socks was lost in the laundry. The socks have a mathematical property. If you select
03:16 Popular
Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer

998 views / 0 likes - added 7 years ago

What is angle A in the star-shaped figure? This problem appeared on the 1999 AMC 8 test (intended for 8th grade students in the US). Approximately 75% of test-takers did not mark the correct response. Can you figure it out? Watch the video for a solution.
03:19 Popular
The Problem With Pandas

837 views / 7 likes - added 7 years ago

What's black and white, big and fuzzy, and likes to eat bamboo all day? A panda! Join us to learn all about this rare bears and the challenges they face as their habitat disappears. This video uses "NACTA-6.wav" by Freesound user xserra: http://freesound.
04:28
Are We Running Out of Vanilla? — Speaking of Chemistry

534 views / 0 likes - added 7 years ago

Vanilla is so common, some people use it as a diss. But watch out. This beloved bean may become a rarity. Read more: http://cen.acs.org/articles/94/i36/problem-vanilla.html ↓↓More info and references below↓↓ Special thanks to My Green Pets for sharing the
03:34
What Sleep Deprivation Does To Your Body

520 views / 0 likes - added 7 years ago

Ever wondered why everything seems funnier when you're tired? Scientists think it might be because your brain is basically drunk. How This Poo Problem Could Destroy The Hawaiian Islands - https://youtu.be/VQHW8nz0osk The Harsh Reality Of Standing Rock - h
02:34 Popular
Doggone Vacation | GET MY GOAT

771 views / 1 likes - added 7 years ago

Gold Fang pretends to be too injured to go on vacation and tries to send Dutch in his place. Pretty soon he’s not just pretending! Dimwitted Gold Fang is one hungry wolf who won’t be satisfied until he can sink his teeth into oh-so-juicy Billy the Goat. T
02:28
Animal Magnetism | GET MY GOAT

540 views / 0 likes - added 7 years ago

Gold Fang concocts a scheme to capture Billy using his new magnet kit but finds getting the goat to eat anything metallic is harder than it looks. Dimwitted Gold Fang is one hungry wolf who won’t be satisfied until he can sink his teeth into oh-so-juicy B
03:02 Popular
v8 working paper engine model

710 views / 0 likes - added 7 years ago

This model is almost completely made of paper (except some scotch tape on valves to eliminate friction) and runs on compressed air. LxWxH: 32 x 24 x 27 mm Shafts diameter: 1 mm Piston stroke: 6 mm Cylinder diameter: 5.5 mm "Swept volume": ~ 1058 mm3 Effec
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What I learned from going blind in space | Chris Hadfield

512 views / 0 likes - added 7 years ago

There's an astronaut saying: In space, "there is no problem so bad that you can't make it worse." So how do you deal with the complexity, the sheer pressure, of dealing with dangerous and scary situations? Retired colonel Chris Hadfield paints a vivid por
04:38 Popular
Can you solve the airplane riddle? - Judd A. Schorr

1,157 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-airplane-riddle-judd-a-schorr Professor Fukanō, the famous scientist, has embarked on a new challenge – piloting around the world in a plane of his own design. There’s just one problem: there's
04:47
Super Drew Battles Video Game Bosses & Saves His Friends! | A Superhero Story

538 views / 0 likes - added 7 years ago

Drew was super excited for recess at Cool School. But there was a problem: his friends were nowhere to be found! He finds out that his friends are being controlled by video game characters! Will The Stupendous Drew Pendous be able to save his friends? Sub
05:21 Popular
Sesame Street: Attack of the Sneeze Danish (Smart Cookies)

924 views / 1 likes - added 7 years ago

Gisele Biscotti, world famous supermodel and the most famous cookie in the world, is doing a very important photo shoot. Uh-oh! Looks like The Crumb has thrown pepper in the air, making everyone sneeze! Will the Smart Cookies be able to solve this problem
02:07 Popular
Adventure Time | I'm Just Your Problem | Cartoon Network

1,180 views / 2 likes - added 7 years ago

Marceline sings about her anger with Princess Bubblegum! CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/CNAdventureTime About Adventure Time: Unlikely heroes Finn (a silly kid with an awesome hat) & Jake (a bras
04:13 Popular
Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

905 views / 0 likes - added 7 years ago

A marshmallow has the shape of a cylinder with diameter 5 and height 3. A dessert is made with 24 marshmallows: there are two stacked layers of marshmallows, and each layer has 3 rows of 4 marshmallows. The gaps between the marshmallows are filled with ch
05:27 Popular
Can You Solve The Mind-Bending Self-Counting Sentence Riddle?

952 views / 0 likes - added 7 years ago

"In this sentence, the number of occurrences of the digit 0 is __, of the digit 1 is __, of the digit 2 is __, of the digit 3 is __, of the digit 4 is __, of the digit 5 is __, of the digit 6 is __, of the digit 7 is __, of the digit 8 is __, and of the d
04:30 Popular
Adults Are Arguing About This 3rd Grade Math Problem

888 views / 0 likes - added 7 years ago

"If Sue runs around the track twice, and John runs around the track four times more than Sue, how many times does John run around the track?" This problem was given to 3rd graders. A parent disagreed with the answer the teacher was marking. After it was p
07:49 Popular
Can You Solve The Viral 9 = 72 Puzzle? The Correct Answer Explained

1,074 views / 0 likes - added 7 years ago

This problem has been shared millions of times on Twitter/Facebook with the claim "99% fail" to solve it and that only a genius could find the correct answer. If 9 = 72, 8 = 56, 7 = 42, 6 = 30, 5 = 20, then 3 = ? In this video I explain what many people b
07:47 Popular
Can You Solve The Probability The Newborn Is A Boy? Many Fail This Interview Question

826 views / 0 likes - added 7 years ago

This problem has been asked in job interviews. On the morning of January 1, a hospital nursery has 3 boys and some number of girls. That night, a woman gives birth to a child, and the child is placed in the nursery. On January 2, a statistician conducts a
02:45 Popular
The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?

703 views / 0 likes - added 7 years ago

This puzzle is popular on Facebook and many other sites. "When the day after tomorrow is yesterday, then today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What day is today?" Can you solve this tri
13:58
The Josephus Problem - Numberphile

647 views / 0 likes - added 7 years ago

The Josephus Problem, featuring Daniel Erman from University of Wisconsin-Madison. Winning at Dots and Boxes: https://youtu.be/KboGyIilP6k NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Number
09:39 Popular
Natural Law Theory: Crash Course Philosophy #34

1,010 views / 0 likes - added 7 years ago

Our exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that instinct and reason
04:17
Why Can't We Vote Online?

498 views / 1 likes - added 7 years ago

Voting online would create a new level of convenience during elections, so why haven't we been taking advantage of it? Does Your Vote Really Matter? - https://youtu.be/5_Ig6oPD_bM Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Election 201
09:02 Popular
Divine Command Theory: Crash Course Philosophy #33

705 views / 0 likes - added 7 years ago

As we venture into the world of ethics, there are a lot of different answers to the grounding problem for us to explore. One of the oldest and most popular is the divine command theory. But with age comes a long history of questions, too, such as the dile
03:59 Popular
Light Pollution Is More Dangerous Than You Think!

766 views / 2 likes - added 7 years ago

Light pollution in cities can make it hard for us to see the stars, but can it also kill baby sea turtles? How dangerous is light pollution? This Is What Pollution Does To Your Body - https://youtu.be/_k22ejJ_fvc Sign Up For The Seeker Newsletter Here - h
03:54 Popular
What's The Best Soup Can Size? The Optimal Cylinder Puzzle

795 views / 0 likes - added 7 years ago

A cylindrical can with volume V can be made in different ways. The cylinder can be wide and short (large radius and small height), or it can be narrower and taller (small radius and larger height). Which shape uses the least material? That is, which can h
05:57 Popular
Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

1,124 views / 1 likes - added 7 years ago

This problem was given to Primary 6 (age 11-12) students in Singapore. What is the area of the shaded region in the video, which consists of the region bounded by 4 quarter circles in a 3x3 grid of squares, and each square has a side length of 4? The shad
03:48 Popular
Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

1,464 views / 0 likes - added 7 years ago

The Harvard admissions exam in 1869 included this algebra problem: "A man bought a watch, a chain, and a locket for $216. The watch and locket together cost three times as much as the chain, and the chain and locket together cost half as much as the watch
10:38 Popular
Aesthetics: Crash Course Philosophy #31

887 views / 0 likes - added 7 years ago

How do art and morality intersect? Today we look at an ethically questionable work of art and discuss R. G. Collingwood’s view that art is best when it helps us live better lives. We’ll go over Aristotle’s concept of catharsis and how it can resolve the p
07:39 Popular
Can You Solve The Alien Extinction Riddle? Hard Job Interview Question

867 views / 0 likes - added 7 years ago

A single alien lands on Earth. Every day after that, each alien on Earth undergoes a transformation, which could be any of the four equally likely events: (a) the alien dies, (b) the alien does nothing, (c) the alien replicates itself (2 aliens total), (d
02:06 Popular
Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?

3,470 views / 0 likes - added 7 years ago

Can you fix 6 + 4 = 4 by moving 1 matchstick? This problem has gone viral on Facebook, with one post having over 400,000 shares. The ground rules are you cannot break a stick, it should be an equality (=), and you have to use 7-segment numbers (the block
05:04 Popular
Why A Kilogram Isn't Actually 1,000 Grams

764 views / 1 likes - added 7 years ago

We usually think of weight in terms of pounds and kilograms. But how do we decide how much a kilogram actually weighs? Subscribe to Seeker VR - https://www.youtube.com/channel/UCXiR5VZGA_xproMufNXLYZA Inside The Arctic Doomsday Seed Vault For The First Ti
04:53 Popular
What Ever Happened To Acid Rain?

1,074 views / 4 likes - added 7 years ago

In the 1970s, everyone was talking about the dangers of acid rain, but it seems to have fallen off the radar. What happened to acid rain? Get 15% off http://www.domain.com's domain names and web hosting when you use coupon code DNEWS at checkout! What Eve
04:21
Slipping, Sliding Science!

428 views / 0 likes - added 7 years ago

What’s better than slipping and sliding in your backyard on a hot summer day? It’s so much fun! But, how does this fun happen? It has a little something to do with friction! ---------- Like SciShow? Want to help support us, and also get things to put on y
04:31
Curing Cancer with Proton Beams – with Suzie Sheehy

524 views / 0 likes - added 7 years ago

Particle accelerators do more than just particle physics research. Suzie Sheehy takes a look at the history and promise of proton therapy: using particle accelerators to fight cancer. Subscribe for science videos and lectures every week: http://bit.ly/RiS
03:32 Popular
Why Do Humans Have Such Big Brains?

776 views / 2 likes - added 7 years ago

Humans have some of the biggest brains and it's not only for problem solving. Why we have big brains might just surprise you... How Texting Affects Your Brain - http://bit.ly/2cb9uWU Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More
04:52 Popular
Do Black Holes Ever Die?

1,112 views / 7 likes - added 7 years ago

Do black holes actually evaporate? Find out more as we dive deep into Hawking Radiation! Inside The World's Largest Particle Accelerator - http://bit.ly/2cmBmH1 Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Hawking Radiation ht
04:28
Why It Is So Hard to Live in the Present

532 views / 0 likes - added 7 years ago

The period of time we find hardest to inhabit is the present; for a range of powerful reasons we should take on board. If you like our films, take a look at our shop (we ship worldwide): http://bit.ly/2c4gneZ Our website has classes, articles and products
02:51 Popular
The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

1,722 views / 2 likes - added 7 years ago

A lot of people are arguing over the correct answer to this algebra problem involving horses, horseshoes, and boots. A Facebook post with this problem has over 500,000 comments. Can you figure it out? In this video I explain the correct answer. Blog post:
03:27 Popular
Need a Lift? Try a Pulley!

1,132 views / 1 likes - added 7 years ago

Jessi and Squeaks just got a new telescope, and they can't wait to check out the night sky! But there's just one problem: it's too heavy to bring up the stairs into the observatory! Join them as they learn about a simple machine that can help them solve t
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02:56
The Faint Young Sun Paradox!

686 views / 0 likes - added 7 years ago

This video was supported by the Heising-Simons Foundation. To learn more, visit https://www.heisingsimons.org/ Thanks also to our supporters on https://www.patreon.com/MinuteEarth : - Today I Found Out - Maarten Bremer - Jeff Straathof - Mark Roth - Tony
08:05 Popular
Can You Solve The Hardest Easy Geometry Problem?

1,263 views / 1 likes - added 7 years ago

In the figure, what is the value of angle x? This problem is known as Langley's Adventitious Angles. It is also known as the hardest easy geometry problem because it can be solved by elementary methods but it is notoriously difficult to work out. Can you
05:33 Popular
What is 6÷2(1+2) = ? The Correct Answer Explained

879 views / 0 likes - added 7 years ago

What is 6÷2(1+2) = ? This problem went viral and generated millions of comments on Facebook, Twitter, YouTube and social media sites. I explain how to get the correct answer by using the modern interpretation of the order of operations. I also explain how
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09:07
Where Does Your Mind Reside?: Crash Course Philosophy #22

667 views / 0 likes - added 7 years ago

Today we continue our unit on identity by asking where the mind resides. Hank explains the mind body problem and several approaches to the question of where our minds reside, including reductive physicalism, substance dualism, and mysterianism. Get your o
05:08
Can you solve this pier puzzle?

678 views / 0 likes - added 7 years ago

This math brainteaser challenges you to find a simple, elegant solution to a seemingly complex problem! Can you figure it out? There are two towns near a shore. They want to build a pier on the shoreline with a path connecting the pier to each town. They
04:25
Can Seawater Fix California’s Drought?

687 views / 1 likes - added 7 years ago

How do we make seawater drinkable? And can that technology save California?! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supp
04:39 Popular
How The Königsberg Bridge Problem Changed Mathematics - Dan Van Der Vieren

858 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-the-konigsberg-bridge-problem-changed-mathematics-dan-van-der-vieren You’d have a hard time finding the medieval city Königsberg on any modern maps, but one particular quirk in its geography has made it one
04:55
How Ghost Particles Are Slowing Down Stars

494 views / 0 likes - added 7 years ago

There's no such thing as empty space in outer space. What are virtual particles and how do they create friction in the vacuum of space? How Long Could You Survive In Outer Space - http://bit.ly/2c2WSyH Sign Up For The Seeker Newsletter Here - http://bit.l
03:54
Why Are Most Galaxies Spiral-Shaped?

574 views / 0 likes - added 7 years ago

The structure of spiral galaxies is more complex than we thought. Here's how the laws of physics contribute to the shaping of galaxies. Everything We Know About The Andromeda Galaxy - http://bit.ly/2blkOkG Sign Up For The Seeker Newsletter Here - http://b
06:01 Popular
Can You Solve The Viral 1 + 4 = 5 Puzzle? The Correct Answer Explained

11.8k views / 1 likes - added 7 years ago

This problem was shared on Facebook with the claim that only one in a thousand could figure it out. It went viral and generated over 3 million comments. Here is the problem. If 1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21, what is 8 + 11 = ? This video presents what
02:55 Popular
Transforming Human Poop Into Eco-Friendly Fertilizer: #bestjobever

886 views / 0 likes - added 7 years ago

Everyone poops. But who wants to actually deal with it? Ecologist Sasha Kramer literally works with poop and thinks about it every day. She is helping to transform human waste into fertile organic compost for agricultural use in Haiti. Kramer is an ecolog
02:04 Popular
Hot Wheels Road Trip

955 views / 4 likes - added 7 years ago

Read my new book! https://www.amazon.com/dp/B01ICK0AF4 Pinball Marble Run https://youtu.be/Zm572Lp0u3Y Ride along on the Hot Wheels car as it travels through 8 different track sections all connected by teleporting tunnels. From the backyard to the big hil
04:53 Popular
Can You Solve The Friendship Riddle?

1,298 views / 0 likes - added 7 years ago

In a group of 6 people, you might find that some people are friends on Facebook, or you might find out that no one is friends on Facebook. Show that there is always a group of 3 people in which either: (a) all 3 people are mutual friends or (b) the 3 peop
09:50 Popular
Can You Solve This 6th Grade Geometry Problem From China?

1,261 views / 1 likes - added 7 years ago

What is the total area of the red spots? The diagram involves a rectangle with dimensions of 10 and 20. Inside the rectangle one of its diagonals is connected. There are two circles of equal size that are tangent to each other and the rectangle. The video
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02:05 Popular
Beast Boy Decorates | Teen Titans Go! | Cartoon Network

1,183 views / 0 likes - added 7 years ago

Beast Boy decorates the "First Class" section of the rocket before takeoff, but the other Titans have a problem with it. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/VgnfHu About Teen Titans GO!: TEEN TITANS G
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Got A Pest Problem? Call The Quack Squad

693 views / 0 likes - added 7 years ago

They’re short, they waddle, and they’re coming to eat the snails. Meet the quack squad, nature’s very own pest control. Every morning, duck farmer Denzel Metthys releases over 1,000 Indian Runner ducks on the Vergenoegd Winery in South Africa. Trained to
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05:15 Popular
The Small Problem With Shrinking Ourselves

730 views / 0 likes - added 7 years ago

It’s okay to be… small? Tweet this video ⇒ http://bit.ly/OKTBSshrunk Share on FB ⇒ http://bit.ly/OKTBSshrunkFB ↓ More info and sources below ↓ Want more shrunken YouTubers? Check out this video on Vsauce3 about the science of Ant-Man! https://www.youtube.
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02:10 Popular
Believe It: Segway’s New ‘Hoverboard’ Is Actually Kinda Cool | WIRED

777 views / 1 likes - added 7 years ago

You know those people you see on guided Segway tours? You know how you laugh at them and swear you’ll never do that? Well, Segway may have the answer to its ‘uncool’ problem with its new MiniPro. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd
07:21 Popular
Can You Solve The Magical Pond Puzzle?

1,030 views / 1 likes - added 7 years ago

(Same video with music: https://youtu.be/nF-Gpk0ZpRk) You visit a shrine that has 3 temples. Before each temple, you have to swim in a magical pond. Your path is pond-temple1-pond-temple2-pond-temple 3. Each time you swim, the pond magically triples the n
04:13 Popular
Why Do Cockroaches Even Exist?

1,489 views / 0 likes - added 7 years ago

Roaches are more than just pests that crawl around our homes. Here's how they are actually beneficial and even essential to the environment. Scientists Create RoboRoaches - http://bit.ly/28LCXlL Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1P
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05:26
Can You Solve The Red Ball Lottery Puzzle?

668 views / 0 likes - added 7 years ago

(Same video without the music: https://youtu.be/sz5oLEpc8xE) This problem involves 100 red balls, 100 blue balls, and 2 urns. First you distribute all the balls between the 2 urns, placing at least 1 ball in each urn. Next, you select an urn at random, an
08:09 Popular
Could You Fart Your Way To The Moon? | Space Time | PBS Digital Studios

766 views / 2 likes - added 7 years ago

Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com CAN YOU FART YOUR WAY THROUGH SPACE? Listen, we know you've thought about it, and we're here t
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Can YOU Solve It? This Question Stumped 75% Of PhD Economists

604 views / 0 likes - added 7 years ago

Introductory economics courses cover the concept of an opportunity cost. Can you figure out the opportunity cost for the problem in the video? This video presents a question that surprisingly more than 75% of PhD economists did not answer correctly. Paper
05:57
How To Split A Cake Fairly Using Math

689 views / 0 likes - added 7 years ago

How can 2 people split up a cake, knowing that each person wants to get a larger piece than the other? What about 3 people, or even N people? This is an example of a fair division problem from game theory. There are many cake-cutting algorithms to produce
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02:23
This SAT Math Question Has A Mistake

665 views / 0 likes - added 7 years ago

This question appeared on the October 1980 SAT exam. Like all questions, it was supposed to have exactly one correct answer. However the test-makers made a mistake. Can you figure out what they did wrong? Blog post (text explanation): http://wp.me/p6aMk-4
04:22 Popular
Impossible Algebra Problem

1,237 views / 0 likes - added 7 years ago

This problem is making the rounds. Can you place numbers in the four boxes so all the equations are true? Blog post (text/image explanation): http://wp.me/p6aMk-4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis
02:57 Popular
Viral Facebook Math Problem

1,288 views / 1 likes - added 7 years ago

This problem has over 2 million comments on Facebook and is getting coverage in mainstream media and blogs. Can you figure out this Facebook fruit algebra puzzle involving apples, bananas, and coconuts? The video presents what many people consider to be t
04:52 Popular
Can You Solve The Two Rope Puzzle?

708 views / 0 likes - added 7 years ago

You have two ropes and a lighter. Each rope burns in 60 minutes, but the ropes do not burn at a constant rate. How can you measure 45 minutes by burning the ropes? Some of you might have heard this problem before. If so, try this variation: how can you me
03:09
Can You Solve The Marriage Logic Problem? 80% Fail

674 views / 0 likes - added 7 years ago

Surveys have found 80 percent get this logic problem wrong. Alice is looking at Bob, and Bob is looking at Charlie. Alice is married; Charlie is not. Is a married person looking at an unmarried person? Answer choices are A) Yes, B) No, and C) Cannot be de
02:57 Popular
Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser

1,093 views / 0 likes - added 7 years ago

In 1911, Srinivasa Ramanujan posed this problem involving an infinite nested radical (a never-ending expression that has square roots inside of square roots). Can you figure out how to simplify the equation? The video presents an intuitive solution. Techn
08:27
Can You Solve The 3 Cards Riddle?

677 views / 0 likes - added 7 years ago

There are 3 cards in this problem. One card is blue on both sides, another is red on both sides, and the last is red on one side and blue on the other. The cards are put in a bag and I pick one at random. Without looking at the colors on the card, I place
03:28 Popular
Flower Math Problem - Adults Stumped By Question For Kids In China

1,387 views / 2 likes - added 7 years ago

This problem is said to come from a test given to a Chinese kindergarten class (5 year olds). It was posted online and caused a lot of debate as adults were stumped about the correct answer, some saying it is impossible. Can you figure it out? This video
05:30
Are There Antimatter Galaxies?

583 views / 0 likes - added 7 years ago

One of the big mysteries in astronomy is what happened to all the antimatter? Is it possible that it’s actually still out there, in huge antimatter galaxies? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com
02:06 Popular
SpongeBob SquarePants | Need Help? Call Squidward: Life Coach | Nick

947 views / 0 likes - added 7 years ago

If you've got questions... Squidward, Life Coach, has the answers! He may be opinionated... he may be cranky... but no matter what your problem, he's got something to say about it. Call today and GET COACHED! Subscribe to Nickelodeon: http://j.mp/1RoDoBp
04:26 Popular
Who Was Ada Lovelace, The World’s First Computer Nerd?

800 views / 1 likes - added 8 years ago

This 19th-century female mathematician created the first computer program, but do you know who she is? Who is Ada Lovelace? Who Is Koko The Gorilla & Is She Really That Smart? - http://bit.ly/1U1hDbu Sign Up For The Seeker Newsletter Here - http://bit.ly/
01:51
Why Are Plane Windows Round?

546 views / 0 likes - added 8 years ago

We often learn the most from our failures, this is particularly true for advancements in the field of engineering. Unfortunately for the engineers in the aviation industry, the prices to pay for failure are high. This will be a reoccurring theme in my vid
01:56
Flying Robots Can Conserve Energy By Perching

567 views / 0 likes - added 8 years ago

Perching saves energy but sticking the landing has been a tough engineering problem.
01:32 Popular
The Loud House | The Official Sibling Song Sing-a-Long | Nick

2,063 views / 9 likes - added 8 years ago

Ten sister tongue twister! Have trouble remembering the names Lori, Leni, Luna, Luan, Lynn, Lucy, Lana, Lola, Lisa, and Lily? No problem! Get to know Lincoln's ten sisters in this catchy sing-a-long song. And don't miss Nick's brand new show The Loud Hous
06:48
What Are Alien Megastructures?

651 views / 0 likes - added 8 years ago

Did scientists find a giant alien structure around KIC 8462852? Probably not, but if they did, what would these structures look like? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter:
06:46
What Are Wormholes?

485 views / 0 likes - added 8 years ago

In science fiction, wormholes are a method often used to travel great distances across space. Are these magic bridges really possible? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter:
05:47 Popular
How Long Does It Take To Get To Jupiter?

1,382 views / 5 likes - added 8 years ago

We’re focused on Mars and Pluto, but what about Jupiter? Doesn’t the biggest planet in the Solar System deserve a little love? How long does it take spacecraft to reach Jupiter? Support us at: http://www.patreon.com/universetoday More stories at: http://w
05:35 Popular
Where Is The Closest Black Hole?

799 views / 1 likes - added 8 years ago

Black holes are pretty dangerous, so it’s a good idea to keep an idea on where all the nearby ones are. How close is the closest one, anyway? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on T
06:34
When Can I Die On Mars?

576 views / 0 likes - added 8 years ago

Elon Musk recently announced SpaceX's plans to send a spacecraft to the surface of Mars by 2018. It’s never been easier to die on Mars. Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter
06:32
Can We Really Get To Alpha Centauri?

491 views / 0 likes - added 8 years ago

It’s going to be almost impossible to travel to another star, but a new idea was announced that might get us to a nearby star within our lifetime. How will it work? Support us at: http://www.patreon.com/universetoday More stories at: http://www.univ
01:10 Popular
Crazy Chair Illusion! (Behind The Scenes)

740 views / 0 likes - added 8 years ago

Add me on Facebook: https://www.facebook.com/#!/pages/Brusspup/158773774166995 (hit the LIKE button to add me on Facebook) A little extra footage of the aftermath of creating this illusion. I used about 15 sheets of black poster board and a lot of tape. I
01:39 Popular
Portrait Made Of 15,000 Push Pins!

760 views / 2 likes - added 8 years ago

The music in the video is my newest song. Called "Time Catcher" iTunes: http://itunes.apple.com/us/album/time-catcher-single/id507258186 Amazon: You can download it here: http://www.amazon.com/Time-Catcher-Single/dp/B007D8C5TQ/ref=sr_1_3?s=music&ie=UTF8&q
04:39 Popular
The Psychology Behind Irrational Decisions - Sara Garofalo

889 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-psychology-behind-irrational-decisions-sara-garofalo Often people make decisions that are not “rational” from a purely economical point of view — meaning that they don’t necessarily lead to the best result.
01:09 Popular
Make Duct Tape Glow!

1,030 views / 1 likes - added 8 years ago

Add me on Facebook (hit the LIKE button on facebook to add me) https://www.facebook.com/pages/Brusspup/158773774166995 This is such a simple yet cool trick to do with duct tape. Just take a piece of duct tape and fold it over on itself (sticky sides facin
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02:08 Popular
Amazing T-Rex Illusion!

1,163 views / 3 likes - added 8 years ago

Add me on Facebook (click LIKE on Facebook to add me) http://www.facebook.com/brusspup I created the song in this video. You can download it on iTunes or Google Play. Song name: The last sun. https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewAlbum?id
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10:47
Habitable Exoplanets Debunked! | Space Time | PBS Digital Studios

603 views / 0 likes - added 8 years ago

Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Let us know what topics you want to le
10:04 Popular
The Problem Of Evil: Crash Course Philosophy #13

723 views / 0 likes - added 8 years ago

After weeks of exploring the existence of nature of god, today Hank explores one of the biggest problems in theism, and possibly the biggest philosophical question humanity faces: why is there evil? -- Images and video via VideoBlocks or Wikimedia Commons
04:05 Popular
Magnets and Marbles !

736 views / 2 likes - added 8 years ago

Music : Kontinuum - First Rain [NCS Release] : https://www.youtube.com/watch?v=SKI1P2gEK54 Hey ! After 3 domino videos, Marbomino is back ;) In this project, I use those little magnets that can be used to make cubes and others geometric figures, I think t
10:59 Popular
Friction: Crash Course Physics #6

1,314 views / 2 likes - added 8 years ago

This episode is sponsored by Audible. Try Audible: http://audible.com/crashcourse Why is it hard to move a heavy bookcase across a carpeted floor? And why is it easier to keep it moving than it was to get it started moving? You might think it's all about
01:36 Popular
Best Of Blossom | Powerpuff Girls | Cartoon Network

875 views / 3 likes - added 8 years ago

New Series Weekdays on Cartoon Network! The best of our brilliantly pristine problem solver! Here are some of Blossom's most clever moments. Blossom, Bubbles and Buttercup, the original arbiters of girl power, are back on Cartoon Network! The Powerpuff Gi
11:27 Popular
Have Gravitational Waves Been Discovered?!? | Space Time | PBS Digital Studios

1,270 views / 0 likes - added 8 years ago

Has the last great prediction of Einstein's general relativity finally been verified? Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime For th
02:11 Popular
A Yoyo Can Spin As Fast As A Formula 1 Engine

901 views / 1 likes - added 8 years ago

Ten steel balls roll between the inner and outer rings within a yoyoâ€™s shell. They work together to reduce friction, allowing the yoyo to keep spinning at the bottom of the string for over 10 minutes. MACHINES: HOW THEY WORK Thursdays 10/9c on Science h
12:58 Popular
What’s Wrong With The Big Bang Theory? | Space Time | PBS Digital Studios

1,832 views / 0 likes - added 8 years ago

There's a problem with the Big Bang Theory. Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbss
04:50
What Does Frostbite Do To Your Body?

600 views / 2 likes - added 8 years ago

If you've ever been stuck in freezing temperatures then you probably know a bit about frostbite. But how exactly does frostbite work? Tune into the premiere of Sherpa, Saturday April 23rd at 9/8 central on Discovery! Sherpa, part of Elevation Weekend on D
02:34 Popular
The Angry Birds Movie Official Trailer #2 (2016) - Peter Dinklage, Bill Hader Movie HD

1,365 views / 2 likes - added 8 years ago

Subscribe to TRAILERS: http://bit.ly/sxaw6h Subscribe to COMING SOON: http://bit.ly/H2vZUn Like us on FACEBOOK: http://bit.ly/1QyRMsE Follow us on TWITTER: http://bit.ly/1ghOWmt The Angry Birds Movie Official Trailer #2 (2016) - Peter Dinklage, Bill Hader
03:46
Sesame Street: Read Me A Story With Big Bird

673 views / 0 likes - added 8 years ago

Zoe likes learning to read, but she loves when someone reads to her even more. There’s only one problem, she doesn’t have anyone to read to her. Big Bird might know a way to fix that. Subscribe to the Sesame Street Channel here: http://www.youtube.com/sub
03:01 Popular
How Does PTFE Make Things Slippery?

750 views / 0 likes - added 8 years ago

Polytetrafluoroethylene, also known as PTFE, is the non-stick coating used on pans. This demonstration shows how PTFE can help reduce friction. #ImpossibleEngineering Wednesdays 9/8 on Science http://www.sciencechannel.com/tv-shows/impossible-engineering/
04:35 Popular
Why Every Picture Of A Black Hole Is An Illustration

727 views / 0 likes - added 8 years ago

Scientists are pretty sure black holes are real. Soon they'll know for sure. Subscribe to our channel! http://goo.gl/0bsAjO The biggest problem with trying to detect a black hole is that even the supermassive ones are relatively tiny. "The largest one in
03:53 Popular
Are Solid State Batteries The Perfect Battery?

1,380 views / 1 likes - added 8 years ago

Many batteries we use today don’t hold up to minor damage or weather change but scientist believe they may have solved this problem. Why Aren’t All Batteries Rechargeable? ►►►► http://bit.ly/1TgP51P Sign Up For The TestTube Newsletter Here ►►►► http://bit
36:32
The Story Of Spacetime – With Fay Dowker

574 views / 0 likes - added 8 years ago

Fay Dowker tells the story of general relativity and its interactions with Newtonian physics, from Galileo to cutting edge research on the granularity of spacetime. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the Q&A that follows
04:19 Popular
The New Way Microplastics Are Devastating Marine Life

778 views / 2 likes - added 8 years ago

By now, we're all aware that there is an unbelievable amount of trash in our oceans. New research sheds light on how this problem is doing something unexpected and devastating. Get 15% off http://www.domain.com's domain names and web hosting when you use
04:13 Popular
Let's Build A City: Crash Course Kids #48.1

804 views / 3 likes - added 8 years ago

So, we've built a lot of things over the last year and we've become awesome engineers in the process. But now it's time for a real challenge. Let's build a city! That's right, you heard me! In this episode, Sabrina shows us what we need to think about whe
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02:37 Popular
How far back in time could you go and still understand English?

1,134 views / 3 likes - added 8 years ago

If you had a time machine, how far back could you go and still understand English? AT what point in history would you not be able to understand the English language? If you went back in time to the 1800's and 1700's, you'd probably still be okay. This exc
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02:42 Popular
Sesame Street: Bert And Ernie Paint Together

706 views / 1 likes - added 8 years ago

Bert and Ernie want to paint together. There’s just one little problem, they only have one paint brush and one canvas. Can they still both try their hands at painting? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center
04:27 Popular
Architecture Adventure: Crash Course Kids #47.2

1,013 views / 3 likes - added 8 years ago

If we want to build a place for us to live, or to hang out, or do eat dinner with our friends, we're going to need a special kind of engineering called architecture. In this episode of Crash Course Kids, Sabrina gets us to help her build a place where she
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01:25
Strange Spelling In The English Language

546 views / 0 likes - added 8 years ago

Deane presents Rob with a strange word and asks him to pronounce it. The solution to the problem depends on unusual letter combinations in the English language. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH C
04:27 Popular
The Robot Challenge: Crash Course Kids #47.1

723 views / 0 likes - added 8 years ago

Robots! They're everywhere. We use them for all kinds of things that we can't, or don't want to do. In this episode of Crash Course Kids, Sabrina shares a problem with us that can probably be solved by building an awesome robot. So let's take the robot ch
04:15 Popular
What Happens To Child Prodigies When They Grow Up?

829 views / 1 likes - added 8 years ago

Children who develop remarkable skills at an early age are often knowns at prodigies, but what happens to these kids once they grow up? Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Can A Brain Injury Make You A Genius? ►►►► http://b
01:33 Popular
Gumball Meets Darwin I The Amazing World Of Gumball I Cartoon Network

3,309 views / 5 likes - added 8 years ago

When Mom and Dad struggle to keep hyperactive, toddler-aged Gumball from trashing the house and exhausting them, they decide to buy him a pet. It works, but there's a problem: every goldfish they get him is short-lived, and inevitably ends up being flushe
04:36
Who Will Win The Race To Mars?

661 views / 1 likes - added 8 years ago

Humans have been obsessed with Mars for centuries and for good reason. What exactly makes Mars so great, and who's going to get there first? There's Water On Mars! Here's Everything you Need to Know ►►►► http://bit.ly/1PWkmnp Sign Up For The TestTube News
04:29
Could You Get Hit By Falling Space Junk?

678 views / 0 likes - added 8 years ago

Vietnam recently found three giant balls that may have fallen from space. What are the chance of getting hit by space junk? Where Do Satellites Go When They die? ►►►► http://bit.ly/1VeHbny Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbF
03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

1,712 views / 0 likes - added 8 years ago

Word problems force us to put concepts to work using real-world applications. In this example, determine the volume of frozen water and express the answer as a fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.o
02:35 Popular
Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

2,091 views / 0 likes - added 8 years ago

Solve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ÷ 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
02:27 Popular
Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,040 views / 0 likes - added 8 years ago

This time we're creating a variable to represent a number, and then writing an inequality. We're building on our knowledge. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-to
03:45 Popular
Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

1,094 views / 0 likes - added 8 years ago

To understand equivalent fractions it helps to "see" the fractions using something like a grid with shaded and unshaded sections representing the fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-al
02:32 Popular
Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

1,768 views / 0 likes - added 8 years ago

Solve a word problem by dividing a whole number by a fraction. The example used in this video is 4 ÷ 1/5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

1,611 views / 0 likes - added 8 years ago

First visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topi
02:49 Popular
Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

1,179 views / 0 likes - added 8 years ago

It's nice to practice conversion problems, but how about applying our new knowledge of percentages to a real life problem like recycling? Hint: don't forget your long division! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanac
03:08 Popular
Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

1,662 views / 1 likes - added 8 years ago

Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

885 views / 0 likes - added 8 years ago

We'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the
05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

1,215 views / 0 likes - added 8 years ago

Using a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/
07:08 Popular
Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

878 views / 0 likes - added 8 years ago

Fun word problem that is almost a brain teaser. Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/patterns-in-sequences-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI
03:00 Popular
Teens As Sums With 10 | Place Value (tens And Hundreds) | Early Math | Khan Academy

722 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/cc-early-math-teens/e/teen-numbers-1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: https:
01:03 Popular
Subtraction Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

757 views / 0 likes - added 8 years ago

Learn how to solve word problems by subtracting small numbers (numbers 10 or less). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-word-problem-wit
01:42 Popular
Addition Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

855 views / 1 likes - added 8 years ago

Learn how to solve word problems by adding small numbers (numbers 10 or less). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-word-problem-within-1
02:15 Popular
Addition And Subtraction Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

1,914 views / 0 likes - added 8 years ago

See how to solve a bunch of addition and subtraction problems with small numbers. All numbers in this video are 10 or less. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basic
04:33 Popular
How Miscommunication Happens (and How To Avoid It) - Katherine Hampsten

802 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-to-avoid-miscommunication-katherine-hampsten Have you ever talked with a friend about a problem, only to realize that he just doesn’t seem to grasp why the issue is so important to you? Have you ever present
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03:16
KIDZ BOP Kids - Problem (KIDZ BOP 27)

674 views / 2 likes - added 8 years ago

KIDZ BOP Kids - "Problem" from the all new album, KIDZ BOP 27! iTunes: http://bit.ly/kb27itunesyt Amazon Music: http://bit.ly/kb27amazonyt Spotify: http://bit.ly/kbspotify Walmart: http://bit.ly/kb27walmartfb Google Play: http://bit.ly/fbookgplay
04:44 Popular
Testing And Trials: Crash Course Kids #44.2

866 views / 1 likes - added 8 years ago

More trials! This time we need to figure out what to do if you don't have all the things you'd like to have to perform your tests. How do you isolate a variable across multiple tests? A good engineer will work to find a way to make it happen. In this epis
04:25
How Casinos Trick You Into Gambling More

604 views / 0 likes - added 8 years ago

The way casinos keep you playing is a carefully crafted science. So, how do casinos get you to spend more time and money? What Makes Gambling So Addicting ►►►► http://bit.ly/1QFHkiP Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read
04:35 Popular
Designing A Trial: Crash Course Kids #44.1

874 views / 1 likes - added 8 years ago

It's time to design some trials. Sometimes engineers need to figure out how to test ideas. In order to do that, we need to design trials to find failure points and see how things are going to work in the real world (with gravity, wind, and human error all
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05:12 Popular
The Black Hole Death Problem

1,113 views / 0 likes - added 8 years ago

This episode is brought to you by Squarespace: ‪http://www.squarespace.com/physicsgirl Black holes are not as black as we once thought. They are theorized to die a slow death by evaporation, emitting energy known as Hawking radiation. But the mechanism fo
02:36 Popular
The Angry Birds Movie Official Trailer #1 (2015) - Peter Dinklage, Bill Hader Movie HD

1,485 views / 5 likes - added 8 years ago

Subscribe to TRAILERS: http://bit.ly/sxaw6h Subscribe to COMING SOON: http://bit.ly/H2vZUn Like us on FACEBOOK: http://goo.gl/dHs73 Follow us on TWITTER: http://bit.ly/1ghOWmt The Angry Birds Movie Official Trailer #1 (2015) - Peter Dinklage, Bill Hader M
05:37 Popular
Who Shares Your Birthday?

854 views / 2 likes - added 8 years ago

Tweet this ⇒ http://bit.ly/OKTBSbday Share on FB ⇒ http://bit.ly/OKTBSbdayFB Click here if you’d like to subscribe: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ In case you have a strange new desire to get an IOTBS shirt: http://store.dftba.com
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02:13 Popular
Gumball Get Hit With A Golf Ball I The Amazing World Of Gumball I Cartoon Network

2,774 views / 18 likes - added 8 years ago

Gumball decides that the best way to prove to Mr. Fitzgerald that he's good enough for Penny is to become his apprentice for the day. The problem is, Mr. Fitzgerald has an important interview and Gumball's enthusiastic attempts to help him might actually
03:01 Popular
Try Trials: Crash Course Kids #39.2

892 views / 0 likes - added 8 years ago

We've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the problems are with our
08:18
The Quest For Glueballs

461 views / 0 likes - added 8 years ago

The quantum world is weird. Today we're looking at a strange particle called a glueball that contains no matter...they're made of pure force! https://www.kickstarter.com/projects/veritasium/snatoms-the-magnetic-molecular-modeling-kit Annotations: Higgs Bo
12:02 Popular
Minecraft | NAUGHTY OR NICE?! | Santa's Gamble Custom Map

2,278 views / 24 likes - added 8 years ago

Minecraft | NAUGHTY OR NICE?! | Santa's Gamble Custom Map ► Subscribe and join TeamTDM! :: http://bit.ly/TxtGm8 ► Previous video :: https://www.youtube.com/watch?v=5b1yJ_YOyM0&feature=youtu.be ► Follow Me on Twitter :: http://www.twitter.com/DiamondMineca
02:31 Popular
Mr. Fitzgerald's Apprentice I The Amazing World Of Gumball I Cartoon Network

809 views / 1 likes - added 8 years ago

Gumball decides that the best way to prove to Mr. Fitzgerald that he's good enough for Penny is to become his apprentice for the day. The problem is, Mr. Fitzgerald has an important interview and Gumball's enthusiastic attempts to help him might actually
04:36
Is Aspirin Really That Good For You?

699 views / 1 likes - added 8 years ago

Taking aspirin is recommended for a variety of medical conditions, but can aspirin really fix everything? Get a month’s worth of shaving supplies from Harry’s for just $10 by entering DNEWS at checkout! ►►►► http://hrys.co/dnews The Unexpected Side Effect
04:25
How Babies Are Smarter Than You Think

609 views / 0 likes - added 8 years ago

A recent study shows that babies can develop logical reasoning before the age of one! Are they smarter than we think? Get 15% off http://www.domain.com's domain names and web hosting when you use coupon code DNEWS at checkout! Should We Make Designer Babi
03:04 Popular
Why Do We Twitch When We're Falling Asleep?

916 views / 1 likes - added 8 years ago

A majority of people feel like they're falling when first going to sleep, resulting in twitches. What is this jerking night spasm? This video was a collaboration with our friends at AllTime Numbers. Check out their video for 'Sleep in Numbers' here: https
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10:16 Popular
Income And Wealth Inequality: Crash Course Economics

900 views / 0 likes - added 8 years ago

Inequality is a big, big subject. There's racial inequality, gender inequality, and lots and lots of other kinds of inequality. This is Econ, so we're going to talk about wealth inequality and income inequality. There's no question that economic inequalit
05:29 Popular
Water Fix!: Crash Course Kids #36.2

1,082 views / 3 likes - added 8 years ago

How can we fix water shortages? Well, we know that shortages are a problem and can cause fighting because water is a resource. When you limit a resource, things get scary. But, in this episode of Crash Course Kids, Sabrina talks about ways that we can hel
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05:00
Fighting Firedamp - The Lamp That Saved 1,000 Lives

694 views / 0 likes - added 8 years ago

With a beautiful, explosive experiment, Andy demonstrates how Humphry Davy's simple invention saved hundreds of lives from firedamp. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Firedamp is a flammable gas found in coal mines that contr
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05:25
Why You Really Shouldn't Go To Work When You're Sick

592 views / 0 likes - added 8 years ago

Going to work while you’re sick is not only bad for you but it also affects the people around you. How important is for you to stay at home? Sign Up For The TestTube Newsletter Here ►►►► http://dne.ws/1McUJdm Read More: Here’s how fast viruses spread in y
03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

2,575 views / 0 likes - added 8 years ago

Watch Sal work through a basic Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
02:38 Popular
Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

906 views / 0 likes - added 8 years ago

Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
02:57 Popular
Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

1,507 views / 0 likes - added 8 years ago

Watch Sal work through a basic Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
05:39 Popular
Solving Quadratic Equations — Harder Example | Math | New SAT | Khan Academy

839 views / 0 likes - added 8 years ago

Watch Sal work through a harder Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
01:16 Popular
Solving Quadratic Equations — Basic Example | Math | New SAT | Khan Academy

946 views / 0 likes - added 8 years ago

Watch Sal work through a basic Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
02:33 Popular
Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy

1,561 views / 0 likes - added 8 years ago

Watch Sal work through a harder Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-easier?utm_source=YT&utm_medium=Desc&utm_campaig
07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy

2,346 views / 0 likes - added 8 years ago

Watch Sal work through a harder Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-easier?utm_source=YT&utm_medi
03:42 Popular
Manipulating Quadratic And Exponential Expressions — Basic Example | Math | New SAT | Khan Academy

1,059 views / 0 likes - added 8 years ago

Watch Sal work through a basic Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-harder?utm_source=YT&utm_mediu
09:40 Popular
Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

1,014 views / 0 likes - added 8 years ago

Watch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
02:50 Popular
Why Do Some People Sneeze In Sunlight?

1,290 views / 1 likes - added 8 years ago

You walk outside on a sunny day and BAM! A sneezing fit hits you. But why? Join Cristen as she explains the photic sneeze reflex. Learn more at HowStuffWorks.com: http://entertainment.howstuffworks.com/arts/circus-arts/human-blockhead2.htm Share on Facebo
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03:27
What Causes Chapped Lips?

637 views / 2 likes - added 8 years ago

For some people, winter means a daily battle against cracking, scaling or peeling lips. But what actually causes chapped lips? How can you prevent it? Learn more at HowStuffWorks.com: http://health.howstuffworks.com/skin-care/lip-care/tips/5-tips-for-batt
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02:49 Popular
Why Does The Shower Get Hot When The Toilet Is Flushed?

940 views / 0 likes - added 8 years ago

Were you burned the last time someone flushed the toilet while you were showering? It's a simple plumbing fix. Learn more at HowStuffWorks.com. Share on Facebook: https://goo.gl/kOSMwL Share on Twitter: https://goo.gl/gzs4hs Subscribe: http://goo.gl/ZYI7G
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22:18 Popular
Minecraft Xbox - The Lost Sword - Problem Solving {11}

903 views / 2 likes - added 8 years ago

Part 12 - https://youtu.be/s1v04a5Hem0 Welcome to a new adventure map. In this series I will be playing through the entire map with Ballistic Squid. Enjoy. Map builder - https://www.youtube.com/channel/UC30RRHqxlSh-_wbZJz1QYog Map download - coming soon.
29:09 Popular
Minecraft Xbox - The Lost Sword - Herobrine {17}

1,163 views / 7 likes - added 8 years ago

Sorry for Squid's poor audio in this video. He had some problems with his microphone. The problem will be sorted by the next video. Welcome to a new adventure map. In this series I will be playing through the entire map with Ballistic Squid. Enjoy. Map bu
21:38
Kings Quest - Chapter 1 - A Wheel Problem (2)

642 views / 0 likes - added 8 years ago

Part 3 - https://youtu.be/PKVNDsWL8rw Welcome to my lets play on Kings Quest: A Knight To Remember. In this series I will be playing through the entire first chapter with commentary. Enjoy. Find out more about the game - http://www.sierra.com/kingsquest T
01:58 Popular
Gumball Vs. Billy Swordfight I The Amazing World Of Gumball I Cartoon Network

2,269 views / 6 likes - added 8 years ago

When they find Anais training herself for a brutal showdown, Gumball and Darwin realise that their sister is being pestered at school by an annoying kid: Billy. They try to teach her how to resolve the problem peacefully, but Billy has other ideas. CN GAM
02:01 Popular
The Problem With Charlie I We Bare Bears I Cartoon Network

890 views / 2 likes - added 8 years ago

You know that one annoying friend who just can't get the hint? That's Charlie, and he's Bigfoot. The Bears meet him when Charlie signs up on a home-sharing website to spend a weekend with the Bears. Charlie is the worst possible house guest for the Bears
03:36 Popular
Why Can't People Remember Being Born?

744 views / 0 likes - added 8 years ago

You probably remember your 18th birthday, but not your first – or your zeroth. Why is that? Learn more at HowStuffWorks.com: http://science.howstuffworks.com/life/inside-the-mind/human-brain/remember-birth.htm Share on Facebook: https://goo.gl/hiKxeT Shar
03:01 Popular
Why Are Wine Bottles Usually Green?

2,653 views / 0 likes - added 8 years ago

Most wine bottles are green. Is it because they're pretty? Or do they protect the booze juice inside somehow? Learn more at HowStuffWorks.com: http://science.howstuffworks.com/innovation/edible-innovations/winemaking.htm Share on Facebook: Share on Twitte
03:53 Popular
Why Are Stop Signs Red?

1,136 views / 1 likes - added 8 years ago

Why aren’t stop signs yellow, purple or green? Brainstuff explains the origins of the red, octagonal stop sign and some hints about why red might be the best color to use if you want to throw cold water on somebody’s need for speed. Learn more at HowStuff
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04:05 Popular
What Is 'Ranch' Flavor?

953 views / 0 likes - added 8 years ago

A plumber in Alaska invented a bizarre condiment that launched a multimillion dollar industry, and today ranch is the most popular salad dressing in the US. But what exactly is this stuff? Learn more at HowStuffWorks.com: http://recipes.howstuffworks.com/
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03:22
Linear And Quadratic Systems — Harder Example | Math | New SAT | Khan Academy

660 views / 0 likes - added 8 years ago

Watch Sal work through a harder Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
04:50 Popular
Linear And Quadratic Systems — Basic Example | Math | New SAT | Khan Academy

811 views / 0 likes - added 8 years ago

Watch Sal work through a basic Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=Ne
04:34 Popular
Radical And Rational Equations — Harder Example | Math | New SAT | Khan Academy

1,081 views / 0 likes - added 8 years ago

Watch Sal work through a harder Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p9-easier?utm_source=YT&utm_medium=Desc&utm_campaign
01:22 Popular
Radical And Rational Equations — Basic Example | Math | New SAT | Khan Academy

872 views / 0 likes - added 8 years ago

Watch Sal work through a basic Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
02:39 Popular
Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

1,446 views / 0 likes - added 8 years ago

Watch Sal work through a harder Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
02:38 Popular
Function Notation — Harder Example | Math | New SAT | Khan Academy

1,212 views / 0 likes - added 8 years ago

Watch Sal work through a harder Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
02:26 Popular
Function Notation — Basic Example | Math | New SAT | Khan Academy

1,129 views / 0 likes - added 8 years ago

Watch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
02:22 Popular
Nonlinear Equation Graphs — Basic Example | Math | New SAT | Khan Academy

760 views / 0 likes - added 8 years ago

Watch Sal work through a basic Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
01:15 Popular
Polynomial Factors And Graphs — Harder Example | Math | New SAT | Khan Academy

1,309 views / 0 likes - added 8 years ago

Watch Sal work through a harder Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-easier?utm_source=YT&utm_medium=Desc&utm_campaign
01:36 Popular
Polynomial Factors And Graphs — Basic Example | Math | New SAT | Khan Academy

1,076 views / 0 likes - added 8 years ago

Watch Sal work through a basic Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
03:13 Popular
Interpreting Nonlinear Expressions — Harder Example | Math | New SAT | Khan Academy

828 views / 0 likes - added 8 years ago

Watch Sal work through a harder Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-easier?utm_source=YT&utm_medium=Desc&utm_camp
05:55 Popular
Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy

1,856 views / 1 likes - added 8 years ago

Watch Sal work through a basic Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-harder?utm_source=YT&utm_medium=Desc&utm_camp
03:06 Popular
Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy

1,314 views / 0 likes - added 8 years ago

Watch Sal work through a harder Operations with rational expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-easier?utm_source=YT&utm_medium=Desc&utm_ca
05:03 Popular
Units — Harder Example | Math | New SAT | Khan Academy

807 views / 0 likes - added 8 years ago

Watch Sal work through a harder Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previo
03:00 Popular
Units — Basic Example | Math | New SAT | Khan Academy

820 views / 0 likes - added 8 years ago

Watch Sal work through a basic Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
01:45 Popular
Percents — Harder Example | Math | New SAT | Khan Academy

756 views / 0 likes - added 8 years ago

Watch Sal work through a harder Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
03:14 Popular
Percents — Basic Example | Math | New SAT | Khan Academy

708 views / 0 likes - added 8 years ago

Watch Sal work through a basic Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
02:11 Popular
Ratios, Rates, And Proportions — Basic Example | Math | New SAT | Khan Academy

1,033 views / 0 likes - added 8 years ago

Watch Sal work through a basic Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
02:23
Isolating Quantities — Harder Example | Math | New SAT | Khan Academy

661 views / 0 likes - added 8 years ago

Watch Sal work through a harder Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
02:01 Popular
Isolating Quantities — Basic Example | Math | New SAT | Khan Academy

1,108 views / 0 likes - added 8 years ago

Watch Sal work through a basic Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p14-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
02:01 Popular
Table Data — Harder Example | Math | New SAT | Khan Academy

852 views / 0 likes - added 8 years ago

Watch Sal work through a harder Table data problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the p
01:22 Popular
Table Data — Basic Example | Math | New SAT | Khan Academy

1,033 views / 0 likes - added 8 years ago

Watch Sal work through a basic Table data problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr

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