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  • 10:05 Work/Energy problem with Friction

    Work/Energy problem with Friction

    226 views / 0 likes - added

    A conservation of energy problem where all of the energy is not conserved. More free lessons at: http://www.khanacademy.org/video?v=YvacYWgygaA

  • 07:21 Intuition on Static and Kinetic Friction Comparisons

    Intuition on Static and Kinetic Friction Comparisons

    183 views / 0 likes - added

    Why static friction is harder to overcome than kinetic friction More free lessons at: http://www.khanacademy.org/video?v=J9BWNiOSGlc

  • 09:50 Static and Kinetic Friction Example

    Static and Kinetic Friction Example

    208 views / 0 likes - added

    Thinking about the coefficients of static and kinetic friction More free lessons at: http://www.khanacademy.org/video?v=ZA_D4O6l1lo

  • 10:59 Friction: Crash Course Physics #6

    Friction: Crash Course Physics #6

    347 views / 0 likes - added

    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

  • 00:51 Correction to Force of Friction Keeping the Block Stationary

    Correction to Force of Friction Keeping the Block Stationary

    162 views / 0 likes - added

    Correction to Force of Friction Keeping the Block Stationary More free lessons at: http://www.khanacademy.org/video?v=BukTc4q9BMc

  • 09:10 Force of Friction Keeping Velocity Constant

    Force of Friction Keeping Velocity Constant

    219 views / 0 likes - added

    Calculating the coefficient of kinetic friction (correction made in next video) More free lessons at: http://www.khanacademy.org/video?v=iA7Thhnzc64

  • 08:41 Force of Friction Keeping the Block Stationary

    Force of Friction Keeping the Block Stationary

    190 views / 0 likes - added

    Block of wood kept stationary by the force of friction (Correction made in next video) More free lessons at: http://www.khanacademy.org/video?v=v8ODIMqbQ44

  • 07:37 Why This Problem is IMPOSSIBLE for Computers to Solve (The Halting Problem)

    Why This Problem is IMPOSSIBLE for Computers to Solve (The Halting Problem)

    70 views / 0 likes - added

    Start learning today with SkillShare: https://skl.sh/upandatom2 The quantum computer game I talked about: https://phys.cam/game/ Alan Turing proved that the Halting Problem was impossible for Turing machines (computers) to solve. Come find out how. Hi! I'

  • 01:31 Houston's 'We Have a Problem' Problem

    Houston's 'We Have a Problem' Problem

    166 views / 0 likes - added

    The often misquoted line from Apollo 13 astronauts--"Houston, we've had a problem"--comes up a lot in everyday life, and that annoys a lot of Houstonians. Photo: NASA Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street

  • 02:08 Subtraction / Subtracting Integers - Word Problem

    Subtraction / Subtracting Integers - Word Problem

    454 views / 0 likes - added

    Subtraction / Subtracting Integers - Word Problem. Here I look at a little word problem dealing with adding and subtracting integers.

  • 19:20 Limiting Reactant Example Problem 1

    Limiting Reactant Example Problem 1

    258 views / 0 likes - added

    Limiting Reactant Example Problem 1

  • 05:04 Area of a Triangle - Fun challenging math problem

    Area of a Triangle - Fun challenging math problem

    370 views / 0 likes - added

    Can you solve the area of a triangle given points X and Y. This is not a basic problem, but it is a fun and challenging math problem. See if you are smart enough to find the area of a triangle for yourself. My name is Chris and my passion is to teach math

  • 05:03 Popular Systems Word Problem With No Solution

    Systems Word Problem With No Solution

    795 views / 0 likes - added

    Systems word problem with no solution

  • 04:35 Surface area word problem example

    Surface area word problem example

    260 views / 0 likes - added

    Surface area word problem example

  • 18:53 Stoichiometry Example Problem 2

    Stoichiometry Example Problem 2

    212 views / 0 likes - added

    Stoichiometry Example Problem 2 More free lessons at: http://www.khanacademy.org/video?v=eQf_EAYGo-k

  • 03:24 Radical Equation Application Problem

    Radical Equation Application Problem

    220 views / 0 likes - added

    u16_l3_t1_we3 Radical Equation Application Problem

  • 07:25 Algebra Word Problem - Factoring

    Algebra Word Problem - Factoring

    269 views / 0 likes - added

    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.

  • 11:06 Word Problem Solving 3

    Word Problem Solving 3

    223 views / 0 likes - added

    Word problem solving strategies from chapter 3 of ck12.org Algebra I book

  • 05:11 The Mind Body Problem

    The Mind Body Problem

    230 views / 0 likes - added

    The Mind-Body problem is one of the greatest conundrums of philosophy and of our everyday lives too. FURTHER READING “The so-called Mind-Body problem is one of the greatest and most quietly painful conundrums in philosophy – and more importantly, in every

  • 12:00 A Problem You'll Never Solve

    A Problem You'll Never Solve

    39 views / 0 likes - added

    Watch my newest video, "The Game You Win By Losing (Parrondo's Paradox)": https://youtu.be/PpvboBJEozMCuriosity Box: https://www.curiositybox.comMrBeasts $1,000,000 Dilemma: https://youtu.be/NkYCWqzBc7MNewcombs Paradox has confounded philosophers, mathema

  • 10:05 Word Problem Solving 4

    Word Problem Solving 4

    223 views / 0 likes - added

    Word Problem Solving 4 More free lessons at: http://www.khanacademy.org/video?v=5EdbPz1ZVn0

  • 07:31 Rate Problem Involving Rational Equations

    Rate Problem Involving Rational Equations

    253 views / 0 likes - added

    u15_l2_t1_we3 Rate Problem Involving Rational Equations

  • 04:09 Easy algebra word problem - But can you solve it?

    Easy algebra word problem - But can you solve it?

    281 views / 0 likes - added

    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

  • 05:09 Subtraction Word Problem

    Subtraction Word Problem

    210 views / 0 likes - added

    u01_l2_t2_we3 Subtraction Word Problem Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:38 Algebra word problem - System of Equations

    Algebra word problem - System of Equations

    286 views / 0 likes - added

    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

  • 05:07 Check your intuition: The birthday problem - David Knuffke

    Check your intuition: The birthday problem - David Knuffke

    370 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/check-your-intuition-the-birthday-problem-david-knuffke Imagine a group of people. How big do you think the group would have to be before there’s more than a 50% chance that two people in the group have the same

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  • 09:33 2-dimensional momentum problem (part 2)

    2-dimensional momentum problem (part 2)

    185 views / 0 likes - added

    We finish the 2-dimensional momentum problem More free lessons at: http://www.khanacademy.org/video?v=leudxqivIJI

  • 06:08 2003 AIME II Problem 1

    2003 AIME II Problem 1

    222 views / 0 likes - added

    2003 AIME II Problem 1 More free lessons at: http://www.khanacademy.org/video?v=JPQ8cfOsYxo

  • 02:58 2003 AIME II Problem 3

    2003 AIME II Problem 3

    205 views / 0 likes - added

    2003 AIME II Problem 3 More free lessons at: http://www.khanacademy.org/video?v=JU67TL2L1CA

  • 15:14 IIT JEE Trigonometry Problem 1

    IIT JEE Trigonometry Problem 1

    326 views / 0 likes - added

    2010 IIT JEE Paper I #29 Trigonometry problem More free lessons at: http://www.khanacademy.org/video?v=X7GT9JKoAbo

  • 14:15 2003 AIME II Problem 4 (part 1)

    2003 AIME II Problem 4 (part 1)

    302 views / 0 likes - added

    2003 AIME II Problem 4 (part 1) More free lessons at: http://www.khanacademy.org/video?v=gXnHodHNusg

  • 03:35 Another Take on the Rate Problem

    Another Take on the Rate Problem

    220 views / 0 likes - added

    u15_l2_t1_we3 Another Take on the Rate Problem More free lessons at: http://www.khanacademy.org/video?v=hAy_bavEVCQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:24 Math Challenge - Shrinking Pool Problem

    Math Challenge - Shrinking Pool Problem

    394 views / 0 likes - added

    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

  • 07:22 Word Problem Solving- Exponential Growth and Decay

    Word Problem Solving- Exponential Growth and Decay

    302 views / 0 likes - added

    Word Problem Solving- Exponential Growth and Decay More free lessons at: http://www.khanacademy.org/video?v=m5Tf6vgoJtQ

  • 02:27 2003 AIME II Problem 5 Minor Correction

    2003 AIME II Problem 5 Minor Correction

    302 views / 0 likes - added

    2003 AIME II Problem 5 Minor Correction More free lessons at: http://www.khanacademy.org/video?v=yXg5CYuCcU4

  • 03:40 Defining A Problem: Crash Course Kids #18.1

    Defining A Problem: Crash Course Kids #18.1

    344 views / 0 likes - added

    So, how do engineers even figure out what problem needs to get fixed? And what's the difference between identifying a problem and just complaining about something. In this episode of Crash Course Kids, Sabrina talks about how we can all be better Engineer

  • 04:08 Basic Rate Problem

    Basic Rate Problem

    187 views / 0 likes - added

    U03_L2_T3_we2 : Basic Rate Problem More free lessons at: http://www.khanacademy.org/video?v=7WXijfIZh64 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:22 Application problem with graph

    Application problem with graph

    247 views / 0 likes - added

    u13_l1_t2_we4 Application problem with graph More free lessons at: http://www.khanacademy.org/video?v=ljROszF_rqs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 08:16 Three Equation Application Problem

    Three Equation Application Problem

    150 views / 0 likes - added

    u14_l3_t1_we3 Three Equation Application Problem More free lessons at: http://www.khanacademy.org/video?v=TJaHNxJk5-4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 08:02 Algebraic Word Problem

    Algebraic Word Problem

    224 views / 0 likes - added

    U02_L1_T3_we1 : Algebraic Word Problem More free lessons at: http://www.khanacademy.org/video?v=cNlwi6lUCEM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:53 Application Problem with Quadratic Formula

    Application Problem with Quadratic Formula

    171 views / 0 likes - added

    u16_l5_t2_we5 Application Problem with Quadratic Formula More free lessons at: http://www.khanacademy.org/video?v=OZtqz_xw0SQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:39 Multiplying Fractions Word Problem

    Multiplying Fractions Word Problem

    252 views / 0 likes - added

    U02_L2_T1_we4 Multiplying Fractions Word Problem More free lessons at: http://www.khanacademy.org/video?v=YJgIGwTysk0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:08 Dividing Fractions Word Problem

    Dividing Fractions Word Problem

    236 views / 0 likes - added

    U02_L2_T3_we5 Dividing Fractions Word Problem More free lessons at: http://www.khanacademy.org/video?v=PQsgXNggV7Q Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:19 Graphical Systems Application Problem

    Graphical Systems Application Problem

    283 views / 0 likes - added

    u14_l1_t1_we5 Graphical Systems Application Problem More free lessons at: http://www.khanacademy.org/video?v=3mimxluSVBo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:19 Subtracting Decimals Word Problem

    Subtracting Decimals Word Problem

    198 views / 0 likes - added

    U03_L2_T1_we3 Subtracting Decimals Word Problem More free lessons at: http://www.khanacademy.org/video?v=hy_bDS3aHO4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 08:22 Applications Problem Factoring Quadratics

    Applications Problem Factoring Quadratics

    221 views / 0 likes - added

    u12_l3_t1_we3 Applications Problem Factoring Quadratics More free lessons at: http://www.khanacademy.org/video?v=STcsaKuW-24 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:30 Calculus Limits - Easy Problem and Introduction

    Calculus Limits - Easy Problem and Introduction

    269 views / 0 likes - added

    Learning Calculus limits is a breeze with this problem and introduction. This example is an easy problem. Check out my Calculus limits playlist if you want some harder examples. I also offer live tutoring if you need any extra help. Check out my website i

  • 03:22 Adding Mixed Numbers Word Problem

    Adding Mixed Numbers Word Problem

    329 views / 0 likes - added

    U02_L3_T1_we5 Adding Mixed Numbers Word Problem More free lessons at: http://www.khanacademy.org/video?v=o0arqcKC7QE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:41 Subtracting Mixed Numbers Word Problem

    Subtracting Mixed Numbers Word Problem

    268 views / 0 likes - added

    U02_L3_T2_we4 Subtracting Mixed Numbers Word Problem More free lessons at: http://www.khanacademy.org/video?v=tj9oLZYA-AQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 09:18 The Centrifuge Problem - Numberphile

    The Centrifuge Problem - Numberphile

    110 views / 0 likes - added

    More videos with Dr Holly Krieger: http://bit.ly/HollyKrieger More links & stuff in full description below ↓↓↓ Dr Holly Krieger is based at Murray Edwards College, University of Cambridge. Want some chemistry videos? Brady does those too: https://www.yout

  • 09:50 Can You Solve This 6th Grade Geometry Problem From China?

    Can You Solve This 6th Grade Geometry Problem From China?

    578 views / 1 likes - added

    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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  • 03:35 Can You Solve the Haunted Hopscotch Problem? | NUMBER CRUSHERS

    Can You Solve the Haunted Hopscotch Problem? | NUMBER CRUSHERS

    70 views / 0 likes - added

    Can You Solve the Haunted Hopscotch Problem? Grab your chalk and rocks because Number Wunderkid Izzy has challenged you to solve this spooky problem. Will Jon wake up before the Zombie strikes? Will Gary sink into quicksand before his friend can save him?

  • 04:33 My Lovely Problem

    My Lovely Problem

    248 views / 1 likes - added

    This is just a short update video that talks about the problem I am facing right now with my lovely world. It will be deleted in the future. My let's talk - https://youtu.be/mr0Lo6sPsy8 Report bugs here - https://bugs.mojang.com/secure/Dashboard.jspa Give

  • 08:05 Can You Solve The Hardest Easy Geometry Problem?

    Can You Solve The Hardest Easy Geometry Problem?

    386 views / 1 likes - added

    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

  • 07:45 The Monty Hall Problem - Christmas Lectures with Ian Stewart

    The Monty Hall Problem - Christmas Lectures with Ian Stewart

    96 views / 0 likes - added

    Ian Stewart explains the Monty Hall problem and its solution. Subscribe for regular science videos: http://bit.ly/RiSubscRibe The Monty Hall problem became infamous in the 1990s where newspaper columnist and puzzle solver Marilyn vos Savant offered a solu

  • 02:01 Beaker Ball Balance Problem

    Beaker Ball Balance Problem

    348 views / 0 likes - added

    Acrylic Ball: http://bit.ly/BBBacrylic Ping-Pong Ball: http://bit.ly/BBBpingpong Balanced: http://bit.ly/BBBbalanced This problem has made the rounds on the internet but I felt it deserved a treatment like this. Special thanks to Gary and the Department o

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  • 02:35 London has a toxic air pollution problem. One solution was born in the 1950s | WIRED

    London has a toxic air pollution problem. One solution was born in the 1950s | WIRED

    229 views / 0 likes - added

    London is in the midst of an air pollution crisis, but it’s not a new problem. The Great Smog of 1952 caused the deaths of 12,000 people in just four days. Back then, as London choked on chimney fumes, one project had an innovative solution. Subscribe to

  • 02:04 Ratio Word Problem: Boys To Girls | Pre-Algebra | Khan Academy

    Ratio Word Problem: Boys To Girls | Pre-Algebra | Khan Academy

    254 views / 0 likes - added

    In this example, we are given a ratio and then asked to apply that ratio to solve a problem. No problem! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/rat

  • 09:07 The Square-Sum Problem - Numberphile

    The Square-Sum Problem - Numberphile

    126 views / 0 likes - added

    Matt Parker discusses a problem involving Square Sums. Go deeper with extra footage: https://youtu.be/7_ph5djCCnM More links & stuff in full description below ↓↓↓ More Matt Parker on Numberphile: http://bit.ly/Matt_Videos Matt's projects and other stuff:

  • 05:57 Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

    Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

    499 views / 1 likes - added

    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

  • 05:07 Jessi Has a Problem!

    Jessi Has a Problem!

    158 views / 0 likes - added

    Do you like using your imagination to build things that solve problems? If you do, you're thinking like an engineer! Learn how engineers identify and solve problems, then help Jessi with a big problem of her own! ---------- Love SciShow Kids and want to h

  • 07:40 The Sun Blocker  |  What's Your Problem?

    The Sun Blocker | What's Your Problem?

    20 views / 0 likes - added

    AJ finds it annoying that he can't reach his own back when applying sunscreen, so Joseph and his team make a machine to do it automatically. What's Your Problem? is a new series in which Joseph and his team solve really annoying problems by making hilario

  • 07:04 The 8 Queen Problem - Numberphile

    The 8 Queen Problem - Numberphile

    219 views / 0 likes - added

    Our thanks to lynda.com - use our link: http://www.lynda.com/numberphile Dr James Grime discusses a famous chess problem - placing eight queens "safely" on a chess board. Some extra footage from this video will appear on Numberphile2 next Monday... https:

  • 13:58 The Josephus Problem - Numberphile

    The Josephus Problem - Numberphile

    209 views / 0 likes - added

    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

  • 16:51 Euclid's Big Problem - Numberphile

    Euclid's Big Problem - Numberphile

    386 views / 0 likes - added

    Trisecting angles and calculating cube roots was a big problem for Euclid and his cohorts. Discussed by Zsuzsanna Dancso at MSRI. TRISECT WITH ORIGAMI: http://youtu.be/SL2lYcggGpc CIRCLE THE SQUARE: http://youtu.be/CMP9a2J4Bqw NUMBERPHILE Website: http://

  • 13:54 Kakeya's Needle Problem  - Numberphile

    Kakeya's Needle Problem - Numberphile

    265 views / 0 likes - added

    The famed Kakeya Needle Problem, discussed by Charles Fefferman from Princeton University. Edit and animation by Pete McPartlan Film and interview by Brady Haran 17-gon: https://youtu.be/87uo2TPrsl8 NUMBERPHILE Website: http://www.numberphile.com/ Numberp

  • 03:28 Flower Math Problem - Adults Stumped By Question For Kids In China

    Flower Math Problem - Adults Stumped By Question For Kids In China

    369 views / 2 likes - added

    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

  • 04:30 Adults Are Arguing About This 3rd Grade Math Problem

    Adults Are Arguing About This 3rd Grade Math Problem

    297 views / 0 likes - added

    "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

  • 08:30 The big problem with how we pick juries

    The big problem with how we pick juries

    70 views / 0 likes - added

    A legal loophole makes juries less diverse. Subscribe to our channel! http://goo.gl/0bsAjO Four years after the shooting death of Laquan McDonald, the police officer, Jason Van Dyke, faced his day in court. But in a trial where race became central to the

  • 04:54 The problem in Good Will Hunting - Numberphile

    The problem in Good Will Hunting - Numberphile

    56 views / 0 likes - added

    We now have a Tumblr: Tumblr: http://numberphile.tumblr.com This paper on ebay: http://www.ebay.co.uk/itm/221197137799? More links & stuff in full description below ↓↓↓ Just how hard was the second problem cracked by Will in Good Will H

  • 11:34 That Viral Math Problem (Cheryl's Birthday) - Numberphile

    That Viral Math Problem (Cheryl's Birthday) - Numberphile

    348 views / 0 likes - added

    Simon Pampena gives his take on THAT viral math problem from Singapore. EXTRA FOOTAGE for this video: http://youtu.be/Mj-YngjjpJg Simon on Twitter: https://twitter.com/mathemaniac NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: h

  • 01:09 Clarence | Someone Else's Problem | Cartoon Network

    Clarence | Someone Else's Problem | Cartoon Network

    168 views / 0 likes - added

    Clarence and Sumo dig a tunnel and discover some life-changing news from the episode, "Sumo Goes West." CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/1jq0JYj About Clarence: With his friends Sumo and Jeff, Clar

  • 04:39 How The Königsberg Bridge Problem Changed Mathematics - Dan Van Der Vieren

    How The Königsberg Bridge Problem Changed Mathematics - Dan Van Der Vieren

    209 views / 0 likes - added

    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

  • 08:29 The Uncracked Problem With 33 - Numberphile

    The Uncracked Problem With 33 - Numberphile

    279 views / 0 likes - added

    33 is the lowest unsolved problem in the world of "summing three cubes". But 30 was also a tough nut to crack! Featuring Tim Browning from the University of Bristol. Taxi Cab Numbers: https://youtu.be/LzjaDKVC4iY Fermat's Last Theorem: https://youtu.be/qi

  • 07:08 Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

    Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

    290 views / 0 likes - added

    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

  • 05:54 Ham Sandwich Problem - Numberphile

    Ham Sandwich Problem - Numberphile

    144 views / 0 likes - added

    This video features Dr Hannah Fry (more links below) ↓↓↓ Check out Brilliant.org: https://brilliant.org/numberphile (20% off premium subscription) That circle cutting problem on Brilliant: https://brilliant.org/NumberphileSandwich Hannah Fry on Twitter: h

  • 02:07 Adventure Time | I'm Just Your Problem | Cartoon Network

    Adventure Time | I'm Just Your Problem | Cartoon Network

    261 views / 0 likes - added

    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

  • 03:09 Can You Solve The Marriage Logic Problem? 80% Fail

    Can You Solve The Marriage Logic Problem? 80% Fail

    251 views / 0 likes - added

    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

  • 04:22 Impossible Algebra Problem

    Impossible Algebra Problem

    514 views / 0 likes - added

    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

  • 09:23 Food waste is the world's dumbest problem

    Food waste is the world's dumbest problem

    186 views / 1 likes - added

    Eat your peas! It’s the easiest way to fight climate change. This is the fourth episode of Climate Lab, a six-part series produced by the University of California in partnership with Vox. Hosted by Emmy-nominated conservation scientist Dr. M. Sanjayan, th

  • 02:51 The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

    The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

    572 views / 1 likes - added

    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:

  • 02:01 The Problem With Charlie I We Bare Bears I Cartoon Network

    The Problem With Charlie I We Bare Bears I Cartoon Network

    328 views / 1 likes - added

    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

  • 02:57 Viral Facebook Math Problem

    Viral Facebook Math Problem

    386 views / 1 likes - added

    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

  • 06:22 There's a Big Problem With Silicon. What's Next?

    There's a Big Problem With Silicon. What's Next?

    26 views / 0 likes - added

    Silicon transistors allowed computers to shrink from the size of houses to watches in a short time, but engineers are facing a problem: we've almost hit the limit on how small silicon transistors can get.Hosted by: Olivia GordonSciShow has a spinoff podca

  • 01:33 Hawke's Bay students find soluble solution to the picky problem of fruit stickers   1 NEWS NOW   TVN

    Hawke's Bay students find soluble solution to the picky problem of fruit stickers 1 NEWS NOW TVN

    76 views / 0 likes - added

    A group of Hawke's Bay students believe they've found a solution to the picky problem of fruit stickers. Billions of the stickers go into the environment every year, and now four Woodford House students from Havelock North have a new idea, called 'bayuble

  • 12:31 Can You Guess Who's Lying? 3 Logic Riddles to Train Your Problem Solving Skills

    Can You Guess Who's Lying? 3 Logic Riddles to Train Your Problem Solving Skills

    109 views / 0 likes - added

    Get better at problem solving today with Brilliant! The first 200 people to sign up will get a 20% discount: https://brilliant.org/upandatom Hi! I'm Jade. Subscribe to Up and Atom for new physics, math and computer science videos every two weeks! *SUBSCRI

  • 02:49 Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

    Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

    266 views / 0 likes - added

    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

  • 05:01 Can you spot the problem with these headlines? (Level 1) - Jeff Leek & Lucy McGowan

    Can you spot the problem with these headlines? (Level 1) - Jeff Leek & Lucy McGowan

    8 views / 0 likes - added

    Puzzle through a set of hypothetical health studies and headlines and see if you can spot whats misleading about the headline.--In medicine, theres often a disconnect between news headlines and the scientific research they cover. While headlines are desig

  • 03:48 Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

    Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

    320 views / 0 likes - added

    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

  • 03:21 Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

    Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

    289 views / 0 likes - added

    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

  • 05:39 Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD

    Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD

    284 views / 0 likes - added

    Thanks to Eric from Miami for suggesting this problem and sending a solution! The diagram shows a quadrilateral ABCD with the values for some angles and the length of AB. Can you figure out the area of ABCD? Subscribe: https://www.youtube.com/user/MindYou

  • 03:16 Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer

    Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer

    262 views / 0 likes - added

    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.

  • 03:40 Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

    Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

    325 views / 0 likes - added

    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

  • 04:13 Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

    Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

    271 views / 0 likes - added

    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

  • 03:19 The Problem With Pandas

    The Problem With Pandas

    411 views / 5 likes - added

    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.

  • 08:26 The Two Generals Problem

    The Two Generals Problem

    88 views / 0 likes - added

    Time to tell a story about idempotency, computer science, and the Night of the Multiple Orders. Sponsored by Dashlane try 30 days for free at: https://www.dashlane.com/tomscottMORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlP

  • 13:35 Stoichiometry Example Problem 1

    Stoichiometry Example Problem 1

    236 views / 0 likes - added

    Figuring grams of reactants and product produced from reaction of phosphorous and chlorine More free lessons at: http://www.khanacademy.org/video?v=jFv6k2OV7IU

  • 03:18 The Problem With Concrete

    The Problem With Concrete

    71 views / 0 likes - added

    This video is in partnership with Bill and Melinda Gates. You can check out the Gates Annual Letter here: https://b-gat.es/2GxIwba Concrete is responsible for 8% of humanity’s carbon emissions because making its key ingredient - cement - chemically releas

  • 09:28 The Martingale Problem

    The Martingale Problem

    36 views / 0 likes - added

    Watch my newest video, "The Game You Win By Losing (Parrondo's Paradox)": https://youtu.be/PpvboBJEozMCheck out and purchase Vector by Anki: https://go.anki.com/2Q55UOSThanks to Anki for sponsoring this video and supporting Vsauce2.*** LINKS ***The Diffic

  • 14:28 Sampling Distribution Example Problem

    Sampling Distribution Example Problem

    209 views / 0 likes - added

    Figuring out the probability of running out of water on a camping trip More free lessons at: http://www.khanacademy.org/video?v=0ZstEh_8bYc

  • 10:36 2-dimensional momentum problem

    2-dimensional momentum problem

    180 views / 0 likes - added

    An example of conservation of momentum in two dimensions. More free lessons at: http://www.khanacademy.org/video?v=CFygKiTB-4A

  • 09:09 The Illumination Problem - Numberphile

    The Illumination Problem - Numberphile

    223 views / 0 likes - added

    Featuring Professor Howard Masur from the University of Chicago. Filmed at the Mathematical Sciences Research Institute (MSRI). Part 2 of this interview: https://youtu.be/AGX0cLbHaog Patreon: http://www.patreon.com/numberphile Numberphile is supported by

  • 11:22 The Problem with 7825 - Numberphile

    The Problem with 7825 - Numberphile

    96 views / 0 likes - added

    Signup for your free trial to The Great Courses Plus here: http://ow.ly/b5wA30hIviV (sponsor) More links & stuff in full description below ↓↓↓ James Grime on a proof involving Pythagorean Triples. James Grime: http://singingbanana.com (book him for a talk

  • 11:09 The Nuclear Waste Problem

    The Nuclear Waste Problem

    124 views / 0 likes - added

    Get smart with Brilliant for 20% off by being one of the first 500 people to sign up at http://brilliant.org/wendover Subscribe to Half as Interesting (The other channel from Wendover Productions): https://www.youtube.com/halfasinteresting Check out my po

  • 09:56 Challenging Perimeter Problem

    Challenging Perimeter Problem

    245 views / 0 likes - added

    Perimeter of rectangle covered by 9 non-overlapping squares. From 200) American Invitational Math Exam More free lessons at: http://www.khanacademy.org/video?v=1uWZNW5PF-s

  • 13:17 Birthday Probability Problem

    Birthday Probability Problem

    412 views / 0 likes - added

    The probability that at least 2 people in a room of 30 share the same birthday. More free lessons at: http://www.khanacademy.org/video?v=9G0w61pZPig

  • 11:54 Russia's Geography Problem

    Russia's Geography Problem

    196 views / 0 likes - added

    Get 15 free days of knowing your data is safe by using this link with Backblaze: http://backblaze.com/wendover “What if Russia Never Existed” by AlternateHistoryHub: https://youtu.be/gU6UBXOHhDw “What if the Soviet Union Reunited” by RealLifeLore: https:/

  • 12:43 India's Geography Problem

    India's Geography Problem

    183 views / 0 likes - added

    Build your website for 10% off by going to http://squarespace.com/wendover Subscribe to Half as Interesting (The other channel from Wendover Productions): https://www.youtube.com/halfasinteresting Check out my podcast with Brian from Real Engineering: htt

  • 06:41 Another mass composition problem

    Another mass composition problem

    180 views / 0 likes - added

    Another exercise converting a mass composition to an empirical formula. More free lessons at: http://www.khanacademy.org/video?v=sXOIIEZh6qg

  • 11:23 Chilling Water Problem

    Chilling Water Problem

    320 views / 0 likes - added

    How much ice at -10 degrees C is necessary to get 500g of water down to 0 degrees C? More free lessons at: http://www.khanacademy.org/video?v=lsXcKgjg8Hs

  • 10:50 China's Geography Problem

    China's Geography Problem

    270 views / 0 likes - added

    Animation by Josh Sherrington (https://www.youtube.com/heliosphere) Sound by Graham Haerther (http://www.Haerther.net) Thumbnail by Joe Cieplinski (http://joecieplinski.com/) This video was partially inspired by a chapter in Tim Marshall's "Prisoners of G

  • 04:04 The Big Problem With The Drugs You Take

    The Big Problem With The Drugs You Take

    71 views / 0 likes - added

    Who makes sure the drugs you take are safe, and can you trust them? TAKE THIS SURVEY! (sponsored link): http://bit.ly/LifeNoggin Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthinking.co Support Life Noggin o

  • 05:15 The Small Problem With Shrinking Ourselves

    The Small Problem With Shrinking Ourselves

    368 views / 0 likes - added

    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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  • 12:08 2003 AIME II Problem 8

    2003 AIME II Problem 8

    172 views / 0 likes - added

    Sequence from the product of 2 arithmetic sequences More free lessons at: http://www.khanacademy.org/video?v=ZFN63oTeYzc

  • 09:56 2003 AIME II Problem 9

    2003 AIME II Problem 9

    179 views / 0 likes - added

    Sum of polynomial evaluated at roots of another polynomial More free lessons at: http://www.khanacademy.org/video?v=ZSESJ8TeGSI

  • 10:12 Word Problem Solving Plan 1

    Word Problem Solving Plan 1

    200 views / 0 likes - added

  • 06:34 The Reverse Spinning Basketball Problem

    The Reverse Spinning Basketball Problem

    22 views / 0 likes - added

    Get the Blackview phone here: http://bit.ly/2KlZ3leIn this video I show you how it is possible for a basketball to reverse spin when it hits the ground. I talk about the physics of why a bouncy ball can reverse spin sometimes when it bounces on the ground

  • 12:52 Word Problem Solving Strategies

    Word Problem Solving Strategies

    218 views / 0 likes - added

  • 01:37 Nature's Superheroes: The Pollution Problem

    Nature's Superheroes: The Pollution Problem

    146 views / 0 likes - added

    Increasing carbon dioxide in the atmosphere is causing the oceans to heat up. This is bad news for coral reefs and the animals that depend on them, such as animals with shells. Join Madeline, Charlie, and Ezra to learn about how pollution affects our envi

  • 12:20 Problem Solving Word Problems 2

    Problem Solving Word Problems 2

    227 views / 0 likes - added

    More free lessons at: http://www.khanacademy.org/video?v=s1QN7sSfBM8

  • 05:23 Basic Trigonometry - Word Problem #2

    Basic Trigonometry - Word Problem #2

    237 views / 0 likes - added

    Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

  • 04:16 The Big Problem With The North Pole

    The Big Problem With The North Pole

    52 views / 0 likes - added

    There's something not quite right with the North Pole.... Santa Claus Voiced by Sam Bashor‬ https://www.youtube.com/channel/UCnhFudM67-ycGVx8P9Ss37A Watch more: Why Do You Get Sick When It's Cold? - Dear Blocko #9 ►►https://www.youtube.com/watch?v=1mt5nvW

  • 04:21 Basic Trigonometry - Word Problem

    Basic Trigonometry - Word Problem

    245 views / 0 likes - added

    Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

  • 05:12 The Black Hole Death Problem

    The Black Hole Death Problem

    320 views / 0 likes - added

    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

  • 07:52 Proof That Computers Can't Do Everything (The Halting Problem)

    Proof That Computers Can't Do Everything (The Halting Problem)

    170 views / 0 likes - added

    If you disagree or get confused by this video, read this FAQ: http://www.zutopedia.com/halting_problem.html#faq Click here for a list of my other works: http://www.zutopedia.com/udia.html This video gives an informal presentation of Alan Turing's Halting

  • 13:00 The Moving Sofa Problem - Numberphile

    The Moving Sofa Problem - Numberphile

    226 views / 0 likes - added

    Featuring Dan Romik from UC Davis. More footage from this interview soon on Numberphile2. Dan's comprehensive page on this topic: http://bit.ly/movingsofa Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRIN

  • 06:01 The Big Problem With Interstellar Travel

    The Big Problem With Interstellar Travel

    136 views / 0 likes - added

    Start learning intuitively with Brilliant for 20% off by being of the first 200 people to sign up at http://brilliant.org/RealLifeLore/ Get RealLifeLore T-shirts here: http://standard.tv/reallifelore Please Subscribe: http://bit.ly/2dB7VTO Animations cour

  • 03:44 The Train Bird Problem: What's Your Approach?

    The Train Bird Problem: What's Your Approach?

    250 views / 0 likes - added

    The Rest Of Us on Patreon: https://www.patreon.com/TheRestOfUs The Rest Of Us on Twitter: http://twitter.com/TROUchannel The Rest Of Us T-Shirts and More: http://teespring.com/TheRestOfUsClothing

  • 08:14 2003 AIME II Problem 5

    2003 AIME II Problem 5

    288 views / 0 likes - added

    Volume of a wedge cut from a cylindrical log More free lessons at: http://www.khanacademy.org/video?v=EzE53aPGbrQ

  • 04:03 The Problem Solving Process with Zipline

    The Problem Solving Process with Zipline

    26 views / 0 likes - added

    Start learning at http://code.org/ Stay in touch with us! on Twitter https://twitter.com/codeorg on Facebook https://www.facebook.com/Code.org on Instagram https://instagram.com/codeorg on Tumblr https://blog.code.org on LinkedIn https://www.linkedin.com/

  • 17:42 2003 AIME II Problem 6

    2003 AIME II Problem 6

    298 views / 0 likes - added

    Finding area of a skewed star More free lessons at: http://www.khanacademy.org/video?v=l9j26EOvTYc

  • 03:16 KIDZ BOP Kids - Problem (KIDZ BOP 27)

    KIDZ BOP Kids - Problem (KIDZ BOP 27)

    397 views / 2 likes - added

    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

  • 01:58 Extended: Beaker Ball Balance Problem

    Extended: Beaker Ball Balance Problem

    264 views / 0 likes - added

    Watch this first! https://www.youtube.com/watch?v=QD3hbVG1yxM Follow on Twitter: https://twitter.com/veritasium Follow on Facebook: https://www.facebook.com/veritasium Special thanks to the Department of Earth, Planetary and Space Sciences, especially Gar

  • 09:36 2003 AIME II Problem 12

    2003 AIME II Problem 12

    214 views / 0 likes - added

    Minimum members in a committee More free lessons at: http://www.khanacademy.org/video?v=KD46pC_KFWk

  • 14:20 Matrices to solve a vector combination problem

    Matrices to solve a vector combination problem

    236 views / 0 likes - added

    Using matrices to figure out if some combination of 2 vectors can create a 3rd vector More free lessons at: http://www.khanacademy.org/video?v=gsNgdVdAT1o

  • 02:28 Explained: Beaker Ball Balance Problem

    Explained: Beaker Ball Balance Problem

    245 views / 0 likes - added

    This is the solution to: http://youtu.be/QD3hbVG1yxM Watch this first!

  • 16:13 2003 AIME II Problem 13

    2003 AIME II Problem 13

    285 views / 0 likes - added

    Probability of moving to a vertex More free lessons at: http://www.khanacademy.org/video?v=vKMNRcctwL4

  • 13:25 2003 AIME II Problem 10

    2003 AIME II Problem 10

    170 views / 0 likes - added

    perfect squares integers square root More free lessons at: http://www.khanacademy.org/video?v=Hh3iY4tdkGI

  • 21:38 Kings Quest - Chapter 1 - A Wheel Problem (2)

    Kings Quest - Chapter 1 - A Wheel Problem (2)

    243 views / 0 likes - added

    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

  • 18:18 2003 AIME II Problem 14

    2003 AIME II Problem 14

    293 views / 0 likes - added

    Trigonometry and geometry to find the area of an equilateral (but not regular) hexagon More free lessons at: http://www.khanacademy.org/video?v=Ec-BKdC8vOo

  • 05:44 The Sonic Boom Problem - Katerina Kaouri

    The Sonic Boom Problem - Katerina Kaouri

    291 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/what-causes-sonic-booms-katerina-kaouri Objects that fly faster than the speed of sound (like really fast planes) create a shock wave accompanied by a thunder-like noise: the sonic boom. These epic sounds can ca

  • 02:27 Steven Universe | What’s Your Problem | Cartoon Network

    Steven Universe | What’s Your Problem | Cartoon Network

    254 views / 0 likes - added

    Where did Ruby go, and will she ever come back? CN GAMES: http://cartn.co/ytgames SUBSCRIBE: http://cartn.co/subscribe WATCH MORE: http://cartn.co/moresu About Steven Universe: Introducing the Crystal Gems! Garnet, Amethyst, Pearl… and Steven. Steven migh

  • 04:09 The $18 Million Problem Hiding Underground

    The $18 Million Problem Hiding Underground

    37 views / 0 likes - added

    This is one challenge that's costing cities millions of dollars each year.Go to http://expressvpn.com/lifenoggin to take back your Internet privacy TODAY and find out how you can get 3 months free. Subscribe: https://bit.ly/SubLifeNoggin | Get your exclus

  • 02:30 Got A Pest Problem? Call The Quack Squad

    Got A Pest Problem? Call The Quack Squad

    272 views / 0 likes - added

    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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  • 10:04 The Problem Of Evil: Crash Course Philosophy #13

    The Problem Of Evil: Crash Course Philosophy #13

    268 views / 0 likes - added

    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

  • 11:58 Is Sucking the Opposite of Blowing? The Reverse Sprinkler Problem

    Is Sucking the Opposite of Blowing? The Reverse Sprinkler Problem

    75 views / 0 likes - added

    Get your Action Lab Box Now! https://www.theactionlab.com/ Follow me on Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat In this video I test if sucking is the opposite of blowing. I tell you about the very d

  • 04:08 Can Plastic-Eating Worms Solve Our Trash Problem?

    Can Plastic-Eating Worms Solve Our Trash Problem?

    531 views / 1 likes - added

    Plastics are everywhere, and we can’t seem to get rid of them. Could a worm be the solution we need? Does Recycling Actually Help? ►►►► http://dne.ws/16zXnMX DNews Live Tickets Here ►►►► http://dne.ws/1Fa2OCh Read More: Why Doesn't Plastic Biodegrade? htt

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  • 16:36 2003 AIME II Problem 11.avi

    2003 AIME II Problem 11.avi

    297 views / 0 likes - added

    A little trigonometry to figure out the area of a triangle More free lessons at: http://www.khanacademy.org/video?v=smtrrefmC40

  • 05:30 Lead Poisoning Is Still a Huge Problem, But There Could Be a Quick Fix

    Lead Poisoning Is Still a Huge Problem, But There Could Be a Quick Fix

    32 views / 0 likes - added

    As seen in the Flint Water Crisis, lead poisoning through corroded pipes can lead to cancer, reduced IQ, and even death. Researchers at UC Berkeley found a way to use electricity to solve this issue. But how does it work? The Newest Form of Water is Hot a

  • 11:54 2003 AIME II Problem 15 (part 1)

    2003 AIME II Problem 15 (part 1)

    231 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=2eLAEMRrR7Q

  • 11:33 2003 AIME II Problem 15 (part 2)

    2003 AIME II Problem 15 (part 2)

    195 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=TljVBB7gxbE

  • 09:32 2003 AIME II Problem 15 (part 3)

    2003 AIME II Problem 15 (part 3)

    293 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=JTpXK2mENH4

  • 01:34 Gene-edited pigs could solve America's transplant problem

    Gene-edited pigs could solve America's transplant problem

    196 views / 0 likes - added

    The latest advance in Crispr technology is a new kind of virus-free gene-edited pig. Scientists are hot on the hunt to figure out a way to transplant pig organs into humans. But a growing concern is retroviruses in pig cells that could infect humans. Read

  • 05:51 Postcards from backstage: Rob and the Anti-Monty-Hall Problem

    Postcards from backstage: Rob and the Anti-Monty-Hall Problem

    147 views / 0 likes - added

    Katie’s postcard is here: https://youtu.be/dFvzUNMU1Lo Hugh’s postcard over here: https://youtu.be/b23i3NhFLDc More about Maths Inspiration shows for sixth formers: http://www.mathsinspiration.com/ We have 2017 shows in Manchester, Winchester, London, Bir

  • 02:17 Racoon Demonstrates Problem Solving Skills | Earth Unplugged

    Racoon Demonstrates Problem Solving Skills | Earth Unplugged

    89 views / 1 likes - added

    Racoons are as clever as monkeys... so what puzzles can Rascal tha racoon solve to get to a tasty trear? Subscribe to Earth Unplugged for more amazing animal videos - http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnplugged

  • 22:18 Minecraft Xbox - The Lost Sword - Problem Solving {11}

    Minecraft Xbox - The Lost Sword - Problem Solving {11}

    480 views / 0 likes - added

    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.

  • 03:38 Popular [Official Video] Problem - Pentatonix (Ariana Grande Cover)

    [Official Video] Problem - Pentatonix (Ariana Grande Cover)

    2,174 views / 17 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

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  • 03:51 Can You Solve This MIT Admissions Question? Geometry Problem, 1869

    Can You Solve This MIT Admissions Question? Geometry Problem, 1869

    307 views / 0 likes - added

    The Massachusetts Institute of Technology (MIT) is one of the top ranked universities in the world. This question appeared on its admissions exam nearly 150 years ago. "The perpendicular dropped from the vertex of the right angle upon the hypotenuse divid

  • 15:00 2010 IIT JEE Paper 1 Problem 50 Hyperbola Eccentricity

    2010 IIT JEE Paper 1 Problem 50 Hyperbola Eccentricity

    495 views / 0 likes - added

  • 04:09 Are crows the ultimate problem solvers? - Inside the Animal Mind - BBC

    Are crows the ultimate problem solvers? - Inside the Animal Mind - BBC

    198 views / 0 likes - added

    We all know that crows are smarter than the average bird, but will 007 be able to solve the complex puzzle and retrieve his reward? Subscribe to BBC Earth: http://bit.ly/BBCEarthSubBBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Faceb

  • 02:27 Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    257 views / 0 likes - added

    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

  • 04:21 Slipping, Sliding Science!

    Slipping, Sliding Science!

    179 views / 0 likes - added

    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

  • 08:18 SAT Prep: Test 1 Section 6 Part 6

    SAT Prep: Test 1 Section 6 Part 6

    218 views / 0 likes - added

    A little more on problem 17 and problem 18 on page 412.

  • 04:55 How Ghost Particles Are Slowing Down Stars

    How Ghost Particles Are Slowing Down Stars

    216 views / 0 likes - added

    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

  • 03:28 Potential Kinetic Energy Investigation /// Homemade Science with Bruce Yeany

    Potential Kinetic Energy Investigation /// Homemade Science with Bruce Yeany

    313 views / 1 likes - added

    This is simple student activity to investigate the change of potential energy into kinetic energy. After a ball rolls down a ramp it gets caught by a simple catch cup and pushes for distance, eventually losing it's energy due to friction. The more energy

  • 04:33 The Science of Vortex Rings

    The Science of Vortex Rings

    157 views / 1 likes - added

    How are smoke rings formed? Natasha heads to the prep room to test out air cannons. Subscribe for regular science videos: http://bit.ly/RiSubscRibe A toroidal vortex ring is formed when a fast moving fluid moves through a relatively still other or differe

  • 03:59 Solution To The Impossible Bet

    Solution To The Impossible Bet

    362 views / 1 likes - added

    This problem is called the "100 Prisoners Problem", more info on the math here: http://en.m.wikipedia.org/wiki/100_prisoners_problem Thanks to http://www.ifixit.com for supporting us on Subbable! and to Subbable supporter @vicnice137 And thanks to my frie

  • 03:02 v8 working paper engine model

    v8 working paper engine model

    248 views / 0 likes - added

    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

  • 01:09 Make Duct Tape Glow!

    Make Duct Tape Glow!

    562 views / 1 likes - added

    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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  • 04:47 Angle of repose…Physics of toys  //  Homemade Science with Bruce Yeany

    Angle of repose…Physics of toys // Homemade Science with Bruce Yeany

    222 views / 0 likes - added

    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

  • 03:01 How Does PTFE Make Things Slippery?

    How Does PTFE Make Things Slippery?

    327 views / 0 likes - added

    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/

  • 02:11 A Yoyo Can Spin As Fast As A Formula 1 Engine

    A Yoyo Can Spin As Fast As A Formula 1 Engine

    344 views / 1 likes - added

    Ten steel balls roll between the inner and outer rings within a yoyo’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

  • 03:25 Kinetic Energy Can Recharge A Car’s Battery, Here’s How (360 Video)

    Kinetic Energy Can Recharge A Car’s Battery, Here’s How (360 Video)

    239 views / 0 likes - added

    We went to San Francisco’s Potrero Hill to talk about regenerative braking! Learn all about this energy saving technique in VR! Made in partnership with Toyota: http://www.toyota.com/priusprime/ Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1P

  • 01:30 Left-Facing Fish

    Left-Facing Fish

    313 views / 0 likes - added

    Deane and Rob present a matchstick problem concerning left-facing and right-facing fish. See if you can solve the problem before the answer is given. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Fa

  • 13:07 Singapore Math: Grade 3a Unit 2 (part 2)

    Singapore Math: Grade 3a Unit 2 (part 2)

    192 views / 0 likes - added

    Word problem with cookies

  • 04:56 Would you sacrifice one person to save five? - Eleanor Nelsen

    Would you sacrifice one person to save five? - Eleanor Nelsen

    236 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/would-you-sacrifice-one-person-to-save-five-eleanor-nelsen Imagine you’re watching a runaway trolley barreling down the tracks, straight towards five workers. You happen to be standing next to a switch that will

  • 03:51 A Light  Bulb Mystery- Electric Resistance // Homemade Science with Bruce Yeany

    A Light Bulb Mystery- Electric Resistance // Homemade Science with Bruce Yeany

    287 views / 1 likes - added

    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

  • 01:09 Fidget spinner spinning in space!

    Fidget spinner spinning in space!

    363 views / 0 likes - added

    A fidget spinner in space! How long does it spin? I'm not sure, but it’s a great way to experiment with Newton’s laws of motion! Allowing the fidget spinner to float reduces the bearing friction by permitting the rate of the central ring and o

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  • 02:35 SAT Prep: Test 4 Section 8 Part 4

    SAT Prep: Test 4 Section 8 Part 4

    258 views / 0 likes - added

    Problem 16 on page 615

  • 09:35 SAT Prep: Test 5 Section 3 Part 3

    SAT Prep: Test 5 Section 3 Part 3

    274 views / 0 likes - added

    More on problem 8 on page 654 and 9-11.

  • 05:06 SAT Prep: Test 5 Section 3 Part 6

    SAT Prep: Test 5 Section 3 Part 6

    288 views / 0 likes - added

    Problem 18 on page 657

  • 05:32 SAT Prep: Test 6 Section 7 Part 6

    SAT Prep: Test 6 Section 7 Part 6

    285 views / 0 likes - added

    Problem 20 on page 738

  • 09:06 2 dimensional projectile motion part 4

    2 dimensional projectile motion part 4

    162 views / 0 likes - added

    Another example of a 2-dimensional projectile motion problem

  • 04:07 2-dimensional projectile motion part 5

    2-dimensional projectile motion part 5

    203 views / 1 likes - added

    The second part of the last projectile motion problem

  • 09:29 Cheryl's Birthday

    Cheryl's Birthday

    345 views / 0 likes - added

    Deductive reasoning problem from Singapore.

  • 02:07 SAT Prep: Test 2 Section 3 Part 6

    SAT Prep: Test 2 Section 3 Part 6

    248 views / 0 likes - added

    Problem 20 on page 464

  • 02:12 Liters Of Soda For The Party

    Liters Of Soda For The Party

    228 views / 0 likes - added

    Math grouping. Word problem.

  • 05:30 Let's Fly!: Crash Course Kids 26.2

    Let's Fly!: Crash Course Kids 26.2

    406 views / 0 likes - added

    Selecting which solution is the best solution to a problem may seem difficult at first. But if you are patient and think about what you need an effective solution to be, you can do it. In this episode of Crash Course Kids, Sabrina shows us how to do just

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  • 06:13 Building and Testing a Lego Press

    Building and Testing a Lego Press

    29 views / 0 likes - added

    A short version of the previous long development video + new tests at the end.The target is to generate the maximum possible pressing force with Lego. The progress is measured using a disassembled person scale (max 180 kg).Enjoy!The long unedited version:

  • 05:47 Why Is The Universe Flat?

    Why Is The Universe Flat?

    224 views / 0 likes - added

    Cosmic inflation is a theory that was proposed in the 1980s by cosmologist Alan Guth to answer some of the most fundamental questions of the origins of our universe. It also solved the Horizon Problem and the Flatness Problem. Subscribe - http://www.youtu

  • 04:02 SAT Prep: Test 7 Section 5 Part 5

    SAT Prep: Test 7 Section 5 Part 5

    299 views / 0 likes - added

    The rest of problem 20 on page 796

  • 04:03 Blueberries For Friends

    Blueberries For Friends

    243 views / 0 likes - added

    Grouping math problem. Addition and subtraction.

  • 01:45 SAT Prep: Test 3 Section 4 Part 5

    SAT Prep: Test 3 Section 4 Part 5

    275 views / 0 likes - added

    The leftover of problem 18 on page 535

  • 01:34 Why Don't Roller Coasters Fly Off the Tracks?

    Why Don't Roller Coasters Fly Off the Tracks?

    330 views / 0 likes - added

    Impossible Engineering | Thursdays at 9/8c Upstop wheels apply friction under the tracks to prevent roller coasters from derailing during zero-G drops and turns. Full Episodes Streaming FREE on Science Channel GO: https://www.sciencechannelgo.com/impossib

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  • 10:11 Centripetal Acceleration (part 2)

    Centripetal Acceleration (part 2)

    185 views / 0 likes - added

    More intuition on centripetal acceleration. A simple orbit problem.

  • 01:25 SAT Prep: Test 2 Section 6 Part 4

    SAT Prep: Test 2 Section 6 Part 4

    261 views / 0 likes - added

    A redo of problem 14 on page 475 because I can't do arithmetic

  • 01:23 Inseparable Books - Sick Science! #199

    Inseparable Books - Sick Science! #199

    271 views / 0 likes - added

    See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/inseparable-books Notebooks are a necessity in every science setting. Graphs, observations, procedures... all of science falls by the wayside without a way of recording the

  • 04:04 Hakuna Matata | The Lion King 1994

    Hakuna Matata | The Lion King 1994

    402 views / 1 likes - added

    Lyrics: Hakuna Matata, what a wonderful phrase Hakuna Matata, ain't no passing craze It means no worries for the rest of your days It's our problem free philosophy, Hakuna Matata Why, when he was a young warthog When I was a young warthog Very nice, thank

  • 04:32 Math Word problems - Solving triangles

    Math Word problems - Solving triangles

    287 views / 0 likes - added

    Become an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h

  • 01:56 Flying Robots Can Conserve Energy By Perching

    Flying Robots Can Conserve Energy By Perching

    233 views / 0 likes - added

    Perching saves energy but sticking the landing has been a tough engineering problem.

  • 05:47 Why is the universe flat?

    Why is the universe flat?

    190 views / 0 likes - added

    Cosmic inflation is a theory that was proposed in the 1980s by cosmologist Alan Guth to answer some of the most fundamental questions of the origins of our universe. It also solved the Horizon Problem and the Flatness Problem. Help us translate our videos

  • 02:55 Lego Motor Lifts 100kg

    Lego Motor Lifts 100kg

    130 views / 0 likes - added

    Lego PF Medium Motor with gears and pulleys lifts a hefty 102.2 kg. Gear ratio 15:1 and tackle velocity ratio 8:1. Only lego parts were used, except for the string. Enjoy! :) Development videos: Part 1 pulleys: https://www.youtube.com/watch?v=KUjVby8H-bQ


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