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Search Results: "P versus NP"

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  • 03:35 Seeing AC versus DC light/// Homemade Science with Bruce Yeany

    Seeing AC versus DC light/// Homemade Science with Bruce Yeany

    454 views / 0 likes - added

    Visual results of light bulbs lit by a direct current versus light bulbs lit by an alternating current. A direct current gives a continuous light while a bulb lit with an alternating current is actually flashing on and off 120 times per second, not 60 sec

  • 05:41 That versus which | The parts of speech | Grammar | Khan Academy

    That versus which | The parts of speech | Grammar | Khan Academy

    287 views / 0 likes - added

    Much has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne

  • 16:22 Tau versus Pi

    Tau versus Pi

    325 views / 0 likes - added

    Why Tau might be a better number to look at than Pi More free lessons at: http://www.khanacademy.org/video?v=1jDDfkKKgmc

  • 05:47 LeBron asks about free throws versus three pointers

    LeBron asks about free throws versus three pointers

    309 views / 0 likes - added

    LeBron James asks Sal Khan whether it is easier to make three free throws or one three pointer More free lessons at: http://www.khanacademy.org/video?v=PddbEVNMgTY

  • 10:20 SURPRISING Coin Flipping Probability - Flips To HH Versus HT

    SURPRISING Coin Flipping Probability - Flips To HH Versus HT

    302 views / 0 likes - added

    What is the expected number of coin flips until you get two heads in a row (HH)? What is the expected number of coin flips until you get a heads followed by a tails (HT)? The video presents the solution and an intuitive explanation for this probability ri

  • 04:47 Who versus whom | The parts of speech | Grammar | Khan Academy

    Who versus whom | The parts of speech | Grammar | Khan Academy

    297 views / 0 likes - added

    When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u

  • 07:12 Less versus fewer | Frequently confused words | Usage | Grammar

    Less versus fewer | Frequently confused words | Usage | Grammar

    252 views / 0 likes - added

    How do you know when to use "less" or "fewer" when describing the quantity or amount of things?

  • 02:48 We Bare Bears | Ice Bear versus Ralph the Yeti | Cartoon Network

    We Bare Bears | Ice Bear versus Ralph the Yeti | Cartoon Network

    290 views / 0 likes - added

    Charlie and the Bears are playing "King of Frost Mountain" when Ralph, another Yeti, comes to crash their game night. Episode: Ice Cave CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/1TTwg6s About We Bare Bears:

  • 12:21 Ping Pong Ball Cannon..Vacuum Cannon versus Compressed Air Cannon

    Ping Pong Ball Cannon..Vacuum Cannon versus Compressed Air Cannon

    72 views / 0 likes - added

    Ping pong balls are a favorite projectile for a vacuum cannons or a compressed air cannon. Either one can generate tremendous speeds for the muzzle velocity, up to speeds approaching 600mph. We'll take a look at the operation of both types individually an

  • 09:20 Keynesian Cross

    Keynesian Cross

    257 views / 0 likes - added

    Analyzing planned expenditures versus actual output using the Keynesian Cross More free lessons at: http://www.khanacademy.org/video?v=sTw0e-hwYAQ

  • 12:55 Slide Whistles  part 1 // Homemade Science with Bruce Yeany

    Slide Whistles part 1 // Homemade Science with Bruce Yeany

    305 views / 0 likes - added

    Several examples of the slide whistle are shown with advice on how to build one for yourself. Several design variations that are shown, these can be made out of PVC pipe, bamboo, scrap wood, even a carrot. While the materials and designs may vary, ultimat

  • 05:03 How The Choices You Make Can Affect Your Genes - Carlos Guerrero-Bosagna

    How The Choices You Make Can Affect Your Genes - Carlos Guerrero-Bosagna

    301 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-the-choices-you-make-can-affect-your-genes-carlos-guerrero-bosagna Here’s a conundrum: Identical twins originate from the same DNA ... so how can they turn out so different — even in traits that have a signi

  • 10:37 War&Human Nature: Crash Course World History 204

    War&Human Nature: Crash Course World History 204

    577 views / 1 likes - added

    In which John Green teaches you about war! Specifically, John talks about whether humanity is naturally warlike, hard-wired to kill, or if perhaps war is a cultural construct. John will talk about the Hobbes versus Rousseau debate, the effects that war ha

  • 10:35 Static Electricity Demonstrations Part one Induction // Homemade Science with Bruce Yeany

    Static Electricity Demonstrations Part one Induction // Homemade Science with Bruce Yeany

    493 views / 0 likes - added

    Part One: Several examples of static electricity are shown in this first part with a concentration on explaining the basis of inducing a static change on insulators verses conductors. Note on the falling powder demonstration: This was something that I dis

  • 06:51 How Binary Search Makes Computers Much, Much Faster

    How Binary Search Makes Computers Much, Much Faster

    114 views / 0 likes - added

    Featuring binary versus linear search, and non-clustered indexes. Uh, indices. However you want to say it. • MORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlPsrkcha Written with Sean Elliott https://twitter.com/SeanMElli

  • 04:29 Can We Power the World With a Single Energy Grid?

    Can We Power the World With a Single Energy Grid?

    305 views / 0 likes - added

    China is building a 1.1 million volt power line that will carry power 3,200km. Could this be the beginning of a united global energy grid? These Strange Metals Could Make Electronics Perfectly Efficient - https://youtu.be/HQcKEFoufLA Read More: China’s gi

  • 01:23 The Truth About Grilling With Charcoal

    The Truth About Grilling With Charcoal

    271 views / 0 likes - added

    Few things get grillers more riled up than arguing about gas versus charcoal. Let us and our friends at Chefsteps settle this debate once and for all. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 CONNECT WITH WIRED Web: http://wi

  • 02:01 Bad Body I Wabbit I Cartoon Network

    Bad Body I Wabbit I Cartoon Network

    297 views / 0 likes - added

    Bugs and Wile compete in a garden grow off! It's nature versus SCIENCE! May the best man win! / Bugs' trusty GPS gets him lost in a cornfield, where a very scatterbrained Scarecrow desperately tries to do his job. CN GAMES: http://bit.ly/CNGames SUBSCRIBE

  • 02:52 Spoken Without Words: Poetry with ASL SLAM

    Spoken Without Words: Poetry with ASL SLAM

    253 views / 0 likes - added

    It's spoken word without spoken words—ASL SLAM is an open space for poets to perform their work in American Sign Language (ASL). As ASL SLAM's executive director Douglas Ridloff explains, ASL poetry doesn't rely on rhyming patterns or meter within auditor

  • 09:55 This is How Your Body Makes New Cells

    This is How Your Body Makes New Cells

    51 views / 0 likes - added

    If we want to become a functioning human being, we need to have cells grow and replicate. In the final episode of this Human season, Patrick will explain the cell cycle and why we aren't just clones of our parents. Subscribe to Seeker! http://bit.ly/subsc

  • 01:58 Garden Grow-Off I Wabbit I Cartoon Network

    Garden Grow-Off I Wabbit I Cartoon Network

    394 views / 0 likes - added

    Bugs and Wile compete in a garden grow off! It's nature versus SCIENCE! May the best man win! / Bugs' trusty GPS gets him lost in a cornfield, where a very scatterbrained Scarecrow desperately tries to do his job. CN GAMES: http://bit.ly/CNGames SUBSCRIBE

  • 08:18 Slow Moving Waves in Giant Hanging  Loops--- Cool Science Experiment

    Slow Moving Waves in Giant Hanging Loops--- Cool Science Experiment

    63 views / 0 likes - added

    The speed of waves through a stationary ropes or chain can vary due to the tension and the density of the material. What happens when the rope itself is put into motion and then a wave disturbance is added. This idea is the start of our investigation usin

  • 07:04 Slow Moving Waves in Rope - Physics of toys // Homemade Science with Bruce Yeany

    Slow Moving Waves in Rope - Physics of toys // Homemade Science with Bruce Yeany

    437 views / 1 likes - added

    The speed of waves through a stationary rope can vary due to the tension and the density of the material. What happens when the rope itself is put into motion and then a wave disturbance is added. This idea is the start of our investigation using a few di

  • 01:19 Dogs Change Facial Expression When Humans Pay Attention | Nat Geo Wild

    Dogs Change Facial Expression When Humans Pay Attention | Nat Geo Wild

    507 views / 1 likes - added

    A new study shows that when given human attention, dogs will produce a wider range of facial expressions. ➡ Subscribe: http://bit.ly/NatGeoWILDSubscribe About Nat Geo Wild: Welcome to a place so wild, anything can happen. Nat Geo Wild is the network all a

  • 11:02 Sound Visualizer & Chladni Patterns  Formed on a Plastic Bucket // Homemade Science with Bruce Yeany

    Sound Visualizer & Chladni Patterns Formed on a Plastic Bucket // Homemade Science with Bruce Yeany

    508 views / 0 likes - added

    The Sound Visualizer and the Chladni Bucket are used to show how vibrations from sound waves are able to create some very beautiful patterns using a few simple pieces of equipment. As compression waves from sound hit a surface it may cause standing waves

  • 06:07 Ben 10 | Ben vs. Xingo Funniest Moments | Cartoon Network

    Ben 10 | Ben vs. Xingo Funniest Moments | Cartoon Network

    289 views / 0 likes - added

    Ready to get Xingy? Check out the funniest moments with Ben versus Xingo! Episodes: Xingo Xingo's Back And Xingo Was His Name-O SUBSCRIBE: http://cartn.co/subscribe ABOUT BEN 10: Ben 10 introduces fun-loving, 10-year-old, Ben Tennyson, his cousin Gwen and

  • 01:58 Ninjago | The Battle of Time | Cartoon Network

    Ninjago | The Battle of Time | Cartoon Network

    485 views / 0 likes - added

    In the battle of the Elemental Masters versus the Hands of Time, Acronix makes the mistake of assuming his youth is a greater weapon than Sensei Wu's experience. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/24

  • 06:22 Ben 10 | Ben vs. Kevin 11 Best Fights | Cartoon Network

    Ben 10 | Ben vs. Kevin 11 Best Fights | Cartoon Network

    284 views / 0 likes - added

    Kevin is back, and he’s got some new alien upgrades. Check out the best fight scenes with Ben versus Kevin 11! Episodes: Franken Fight Which Watch King of the Castle Four by Four Introducing Kevin 11 Buggy Out SUBSCRIBE: http://cartn.co/subscribe ABOUT BE

  • 06:06 What's in Peanut Butter? | Ingredients With George Zaidan (Episode 7)

    What's in Peanut Butter? | Ingredients With George Zaidan (Episode 7)

    531 views / 0 likes - added

    Crunchy versus creamy, runny versus solid ... there’s a lot more to peanut butter than just peanuts and salt. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Watch all episodes of Ingredients here: http://bit.ly/WatchIngredients ➡ New episodes every Thursday

  • 01:56 Relative pronouns | The parts of speech | Grammar | Khan Academy

    Relative pronouns | The parts of speech | Grammar | Khan Academy

    427 views / 0 likes - added

    We use the relative pronouns to connect clauses together, like "the man *who sold the world* is coming over for dinner." David, KA's Grammar Fellow, explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/

  • 04:54 The Brown Dwarf Debate

    The Brown Dwarf Debate

    224 views / 0 likes - added

    Thanks to NASA's James Webb Space Telescope (JWST) project and the Space Telescope Science Institute for supporting this video. This video is about the line between Brown dwarfs and gas giant planets (aka super Jupiter's): does it exist? Is it the deuteri

  • 03:49 The Cruel Irony Of Air Conditioning

    The Cruel Irony Of Air Conditioning

    123 views / 1 likes - added

    Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/The technology we use to keep cool is heating the world in a vicious feedback cycle, so we need to improve it and use it less.Thanks also to our Patreon patrons ht

  • 03:09 How Is Music Stored On Vinyl Records?

    How Is Music Stored On Vinyl Records?

    344 views / 0 likes - added

    Have you ever wondered how sounds are recorded onto disks and records? The Formula Behind Every Perfect Song ►►► http://dne.ws/1E8yY0q Read More: Martinville's Recordings http://www.firstsounds.org/sounds/scott.php The Written Sound http://www.economist.c

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  • 05:34 Subject and object pronouns | The parts of speech | Grammar | Khan Academy

    Subject and object pronouns | The parts of speech | Grammar | Khan Academy

    271 views / 0 likes - added

    Before we get any further with pronouns, let's cover what the difference between a subject and an object pronoun is, because the distinction between those two concepts will start coming up a good deal. Practice this yourself on Khan Academy right now: htt

  • 04:24 Why Aren’t All Batteries Rechargeable?

    Why Aren’t All Batteries Rechargeable?

    369 views / 1 likes - added

    We’ve mentioned before on DNews that you should NEVER throw batteries away. Why aren’t all batteries rechargeable in the first place? Help support DNews by completing this one-question survey http://bit.ly/dnewssurvey Why You Should NEVER Throw Away Batte

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  • 12:58 How a Crystal Radio Works

    How a Crystal Radio Works

    185 views / 0 likes - added

    Full details of how a crystal radio works, right down to the electron level. We start with a demonstration of all the parts in action, showing how the radio waves interact with the antenna and antenna coil to produce a fluctuating magnetic field, which in

  • 01:43 TIL: Bees Could Help Save Elephants—By Scaring Them | Today I Learned

    TIL: Bees Could Help Save Elephants—By Scaring Them | Today I Learned

    323 views / 0 likes - added

    Elephants versus bees: Who wins? In one corner, you have the African elephant, weighing in at around 2,000 pounds. In the other, the tiny African honeybee, weighing about one-tenth of a gram. Seems like a quick win for the elephant, but the African honeyb

  • 01:47 What Is Thirdhand Smoke And How Dangerous Is It?

    What Is Thirdhand Smoke And How Dangerous Is It?

    251 views / 0 likes - added

    New research has found that the residue cigarette smoke leaves behind could cause serious health issues. Why People Who Smoke Look Old - https://youtu.be/bmf6vgQ8TZc Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Thirdhand Smoke

  • 03:56 Does Cough Medicine Really Work?

    Does Cough Medicine Really Work?

    519 views / 0 likes - added

    Subscribe! http://bit.ly/ACSReactions What do you do when you have a bad cough? If you reach for the cherry-flavored cough medicine, you're not alone. Every year, people spend billions of dollars on this stuff. But does any of it actually work? In this ep

  • 02:32 Yes, Your Headache Is Worse Than All Other Aches and Pains, Here’s Why

    Yes, Your Headache Is Worse Than All Other Aches and Pains, Here’s Why

    286 views / 0 likes - added

    Why do headaches seem to hurt worse than any other type of pain? Scientists have an answer and it has to do with your emotions. Why Men Never Get Over A Breakup - https://youtu.be/lCSjuylaYUk Read More: A craniofacial-specific monosynaptic circuit enables

  • 06:40 Which Diets Actually Work?

    Which Diets Actually Work?

    290 views / 0 likes - added

    Debunking some common diets, and seeing which work! More Food and Health Science videos! https://www.youtube.com/watch?v=ztiHRiFXtoc&list=PLvFsG9gYFxY_2tiOKgs7b2lSjMwR89ECb&index=1 Subscribe for more! http://bit.ly/asap Eating Disorder Information: http:/

  • 03:36 What’s The Difference Between Jet Fuel And Car Fuel?

    What’s The Difference Between Jet Fuel And Car Fuel?

    436 views / 2 likes - added

    Jet fuel and car fuel both come from crude oil, but you definitely can’t put jet fuel in your car to make it go faster. Why not? Why Food Tastes Worse on Planes ►►►► http://bit.ly/1LEu75C Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG

  • 02:15 Bird vs Fish - Blue Planet II

    Bird vs Fish - Blue Planet II

    386 views / 1 likes - added

    UK: First episode starts 8pm Sunday BBC One. Nordics and Asia : simulcasting on BBC Earth. USA: Early 2018 on BBC America. Details here www.bbcearth.com/blueplanet2 Subscribe to BBC Earth for more amazing animal videos - http://bit.ly/BBCEarthSub *Bird vs

  • 04:10 What If You Never Left The Pool?

    What If You Never Left The Pool?

    360 views / 1 likes - added

    Summer means swimming. What would really happen if you never got out of the pool? To create your stunning website & support Life Noggin, go to https://www.wix.com/go/lifenoggin Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch

  • 10:41 Stars: Crash Course Astronomy #26

    Stars: Crash Course Astronomy #26

    379 views / 0 likes - added

    Today Phil’s explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a wealth of information about them including their luminosity, size, and temperature. The HR diagram plots stars’ luminosity

  • 03:32 Silicon Valley billionaires created AltSchool

    Silicon Valley billionaires created AltSchool

    252 views / 0 likes - added

    Silicon Valley is working on ways to change the way that we drive, eat, live, and now thanks to a new type of school, the way our children learn. The school is called AltSchool, and it's the brainchild of a former Google executive, Max Ventilla. The schoo

  • 04:26 What If The Internet Became A Country?

    What If The Internet Became A Country?

    212 views / 1 likes - added

    The internet is an incredible (and scary) place! What happens if it becomes a digital country?To create your stunning website & support Life Noggin, go to https://www.wix.com/go/lifenogginSubscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life N

  • 05:59 Gravity Powered Escapement Wheel....  Simple machine lesson

    Gravity Powered Escapement Wheel.... Simple machine lesson

    77 views / 0 likes - added

    This escapement wheel is a good example of showing how simple machines work together in the performance of a task, in this case turning a flywheel. I have found that students have a natural curiosity to explore these types of devices and are very interest

  • 12:16 SUNSCREEN in UV

    SUNSCREEN in UV

    205 views / 0 likes - added

    How to Make Everything Video: https://youtu.be/lMXAY5F28L0 Veritasium Video: https://www.youtube.com/watch?v=V9K6gjR07Po To learn more about CuriosityStream, go to http://curiositystream.com/physicsgirl Creator: Dianna Cowern Videography: Chris Peck, Dian

  • 04:19 Everything It Takes to Explore Beneath Polar Ice Caps

    Everything It Takes to Explore Beneath Polar Ice Caps

    196 views / 0 likes - added

    The advanced age of Arctic and Antarctic exploration is here, and it's still a risky mission. This team designs custom gliding robots to collect vital data from the depths beneath diminishing ice. W\hat Are We Doing to Prepare for the Next Big Oil Spill?

  • 03:19 Which Animal Is The Smartest?

    Which Animal Is The Smartest?

    268 views / 0 likes - added

    Sure, humans are smart. But how smart are our animal friends? Watch more: What’s Hiding Deep Within The Rainforest? ►► https://www.youtube.com/watch?v=2P6dG-csseU&index=12&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO&t=0s Subscribe: https://bit.ly/SubLifeNoggi

  • 05:24 The Quantum Technology in Your Pocket

    The Quantum Technology in Your Pocket

    122 views / 0 likes - added

    You might not know that you use quantum technologies every day pretty much constantly. Here I have summarised five of them, but there are many others. Quantum physics is often seen as a weird part of physics, far removed from our every day lives but this

  • 08:29 How 5G Cell Service Could Hurt Weather Forecasts

    How 5G Cell Service Could Hurt Weather Forecasts

    148 views / 0 likes - added

    Good weather forecasts save lives, but scientists are worried that 5G transmissions could drown out frequencies measured by weather satellites, setting weather forecasts back decades.Special thanks to Roger Saunders, Ph.D. from the UK Met Office; Peter Ia

  • 11:37 10 Creatures That Prove Superpowers Actually Exist in Real Life

    10 Creatures That Prove Superpowers Actually Exist in Real Life

    381 views / 0 likes - added

    Superpowers like living forever, surviving without oxygen and imitating any sound. Bright Side found some creatures with abilities that are even more surprising, funny, weird, and sometimes disgusting than any superhero. Animation is created by Bright Sid

  • 02:45 Are These Butterflies The Same?

    Are These Butterflies The Same?

    567 views / 1 likes - added

    Watch "This Exists" on YouTube: https://www.youtube.com/user/thisexists Please subscribe! - http://www.youtube.com/user/minuteearth?sub_confirmation=1 And please support MinuteEarth on Patreon - https://patreon.com/minuteearth A tale of how two butterflie

  • 07:08 10 Ways Cats Say "I Love You"

    10 Ways Cats Say "I Love You"

    165 views / 0 likes - added

    In this video, we will discuss 10 ways that cats show their love. Prolonged eye contact and slow blinking. Youve probably noticed your cat staring intently into your eyes at one point or another - dont worry! your kitty is showing you how much they love y

  • 02:50 The Fastest-Growing Plant In The World

    The Fastest-Growing Plant In The World

    62 views / 0 likes - added

    Get your first audiobook and two Audible Originals for free when you try Audible for 30 days visit https://www.audible.com/minuteearth or text minuteearth to 500-500!Bamboo is the worlds fastest growing plant thanks to the cell elongation process it share


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