Search Results: "quasar correction"

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01:46
Quasar Correction

647 views / 0 likes - added 9 years ago

Quasar Correction More free lessons at: http://www.khanacademy.org/video?v=PX_XSnVWlNc
01:38
'Radio loud' quasar's light traveled 13 billion years to Earth

248 views / 0 likes - added 3 years ago

The Very Large Telescope in Chile has detected the "most distant source of radio emission" yet, quasar P172+18, according the European Southern Observatory (ESO). -- Full Story: https://www.space.com/most-distant-radio-loud-quasar-jetsCredit: ESO
02:56
Correction - 2-Propylheptane should never be the name!

451 views / 0 likes - added 9 years ago

Correction - 2-Propylheptane should never be the name! More free lessons at: http://www.khanacademy.org/video?v=CFBKfgGTP98
02:15
(Correction) Radius of Observable Universe

483 views / 0 likes - added 9 years ago

(Correction) Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=b6VQv76BQDs
06:48
Correction to Sodium and Potassium Pump Video

626 views / 0 likes - added 9 years ago

Correction to Sodium and Potassium Pump Video More free lessons at: http://www.khanacademy.org/video?v=ye3rTjLCvAU
00:51
Correction to Force of Friction Keeping the Block Stationary

472 views / 0 likes - added 9 years ago

Correction to Force of Friction Keeping the Block Stationary More free lessons at: http://www.khanacademy.org/video?v=BukTc4q9BMc
02:41
Correction to Total Final Velocity for Projectile

505 views / 0 likes - added 9 years ago

Correction to "Total Final Velocity for Projectile" Video More free lessons at: http://www.khanacademy.org/video?v=DNoDJlB0ygU
02:27
2003 AIME II Problem 5 Minor Correction

658 views / 0 likes - added 9 years ago

2003 AIME II Problem 5 Minor Correction More free lessons at: http://www.khanacademy.org/video?v=yXg5CYuCcU4
02:52 Popular
Linear Algebra: (correction) scalar muliplication of row

995 views / 0 likes - added 9 years ago

Correction of last video showing that the determinant when one row is multiplied by a scalar is equal to the scalar times the determinant More free lessons at: http://www.khanacademy.org/video?v=WY6QG0mZ7uQ
04:12
Correction Calendar Notation

566 views / 0 likes - added 9 years ago

Correcting the time difference calculation by taking into account that there is no year 0 More free lessons at: http://www.khanacademy.org/video?v=N06Jy-gQog8
02:22
Hydrogen Peroxide Correction

455 views / 0 likes - added 9 years ago

Correcting an error in the last video regarding hydrogen peroxide.
04:42 Popular
The Mathematics of Error Correction - with Marcus du Sautoy

798 views / 0 likes - added 6 years ago

Computers use error-correcting codes to detect mistakes in binary notations - even just a single change from 0 to 1. In this clip from the 2006 CHRISTMAS LECTURES "The num8er my5teries", Marcus du Sautoy runs error-correcting code tests with an audience m
04:59
Oxidative Phosphorylation and Chemiosmosis

486 views / 0 likes - added 9 years ago

Oxidative Phosphorylation and Chemiosmosis (along with slight correction of previous video) More free lessons at: http://www.khanacademy.org/video?v=W_Q17tqw_7A
09:10 Popular
Force of Friction Keeping Velocity Constant

735 views / 0 likes - added 9 years ago

Calculating the coefficient of kinetic friction (correction made in next video) More free lessons at: http://www.khanacademy.org/video?v=iA7Thhnzc64
08:41 Popular
Force of Friction Keeping the Block Stationary

811 views / 0 likes - added 9 years ago

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
16:29 Popular
Trigonometry - Easy to understand 3D animation

704 views / 0 likes - added 5 years ago

IMPORTANT CORRECTION: The proper way to write the law of cosines is C^2 = A^2 +B^2 - 2AB cos(Ψ)
22:48 Popular
Probability - Quantum and Classical

739 views / 0 likes - added 5 years ago

The Law of Large Numbers and the Central Limit Theorem. Probability explained with easy to understand 3D animations. Correction: Statement at 13:00 should say "very close" to 50%.
18:29 Popular
US History Overview 1: Jamestown to the Civil War

1,105 views / 3 likes - added 9 years ago

Jamestown to the Civil War. Correction: Jamestown was the first successful ENGLISH settlement in what is now the United States. The Spanish actually settled St. Augustine, Florida in 1595. More free lessons at: http://www.khanacademy.org/video?v=ghgPq2wjQ
17:26
Nuclear Physics

417 views / 0 likes - added 5 years ago

**Correction: At 13:57, the proton is converting into a neutron.** Nuclear fusion and fission, gamma rays, neutron scattering & capture, alpha & beta decay, binding energy, and many other topics. My Patreon page: https://www.patreon.com/EugeneK
12:15 Popular
Top 10 Strangest Things Found in Outer Space

861 views / 4 likes - added 6 years ago

Outer space is home to some incredibly weird objects and strange mysteries that we're uncovering today. Here are the strangest things found in outer space! Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated ► https://goo.gl/JyGcTt https://goo.gl/5
24:58 Popular
Waves: Light, Sound, and the nature of Reality

1,156 views / 0 likes - added 5 years ago

Physics of waves: Covers Quantum Waves, sound waves, and light waves. Easy to understand explanation of refraction, reflection, and many other topics. Important correction: In the section of refraction, the colors are reversed. Violet light slows down in
17:41
Every Starfighter in Star Wars Explained By Lucasfilm | WIRED

447 views / 0 likes - added 4 years ago

Lucasfilms' Doug Chiang and Amy Beth Christenson explain each and every type of starfighter from the Star Wars movie franchise. These small, combat-focused spacecrafts have become a canvas for some of the most iconic designs in all of cinema. Ever wondere
02:41
How Auto-Tune Works

430 views / 0 likes - added 5 years ago

Featuring the Gregory Brothers! Go subscribe to them: https://youtube.com/schmoyoho Pitch correction: it can make terrible singers sound decent, brilliant singer sound mediocre, or Cher sound like a robot. But how does it work? And is it possible to expla
04:15
This man built his office inside an elevator

70 views / 0 likes - added 8 months ago

The Baa Skyscraper, in Zln, Czechia, is a landmark of architecture. And the office of Jan Antonn Baa... is an elevator. [Correction: Jan Antonn Baa's birth year is 1898; the graphic is a typo.]Thanks to the museum staff for fact-checking and translation!C
03:48
Earth was once a planet of the apesand they set the stage for human evolution

624 views / 0 likes - added 2 years ago

More than ten million years ago, the world was brimming with a wide variety of apes. Scientists studying the ones that are still alive today can learn a lot about human evolutionbut they miss out on many clues that can only be found from the apes that wen
14:43
The EM Drive: Fact or Fantasy? | Space Time | PBS Digital Studios

575 views / 1 likes - added 7 years ago

Because you demanded it … we break down the EM Drive! Support us on Patreon! https://www.patreon.com/pbsspacetime Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetim
11:18 Popular
How to See Black Holes + Kugelblitz Challenge Answer | Space Time | PBS Digital Studios

743 views / 0 likes - added 7 years ago

Find out how scientists are mapping the black holes throughout the Milky Way and beyond as well as the answer to the Escape the Kugelblitz Challenge Question. Were you able to save humanity? Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet a
18:30
The Edge of an Infinite Universe

457 views / 2 likes - added 5 years ago

Have you ever asked “what is beyond the edge of the universe?” And have you ever been told that an infinite universe that has no edge? You were told wrong. In a sense. We can define a boundary to an infinite universe, at least mathematically. And it turns
05:01
Kinacoustic | Ori and the Blind Forest ( Piano Medley )

573 views / 0 likes - added 6 years ago

Working about a month, and now I have done it!! A lot of adjustment and correction have been put in this song, this is a absolute beauty and hope you enjoy it! Ori and the Blind Forest (piano medley) 0:00 Ori Lost in the Storm 0:55 First Steps into Sunken
13:42
Is There Life on Mars? | Space Time

554 views / 0 likes - added 5 years ago

There is no greater hero in our search for life on mars than a little robot named Opportunity. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspa
15:49
Could the Universe End by Tearing Apart Every Atom?

387 views / 0 likes - added 5 years ago

Of all the unlikely ends of the universe, the Big Rip has to be the most spectacular. Galaxies ripped to shreds, dogs and cat first living together, then tragically separated by the infinitely accelerating expansion of space on subatomic scales. Good thin
16:25
The Most Successful Scientific Theory Ever: The Standard Model

141 views / 0 likes - added 2 years ago

The Standard Model of particle physics is the most successful scientific theory of all time. It describes how everything in the universe is made of 12 different types of matter particles, interacting with three forces, all bound together by a rather speci
04:59 Popular
This library has every book ever published.

2,796 views / 1 likes - added 8 months ago

The British Library is one of the six legal deposit libraries for the UK and the only one that doesn't pick and choose, or have to ask for copies. That's a lot of books to store, and the internet's only making it worse. The BL: https://bl.uk UK Web Archiv
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05:29
Creating The Never-Ending Bloom

588 views / 1 likes - added 6 years ago

Help support our video productions: http//www.patreon.com/scifri *Correction May 1, 2017: At 2:06, a graphic in the video incorrectly wrote the formula for the golden ratio. It should be B/A = A/(A+B). We regret the error. John Edmark's sculptures are bot
03:43
Who censored Marie-Antoinettes letters? X-rays reveal a surprise

134 views / 0 likes - added 2 years ago

In late 1791 and early 1792, on the eve of the French Revolutionary Wars, queen Marie-Antoinette engaged in a secret correspondence with her confidant and rumored lover, Swedish count Axel von Fersen. Nearly 50 letters from that exchange survive at the Fr
00:50 Popular
400 Fish Released into the Revitalized Bronx River

771 views / 0 likes - added 7 years ago

The release of 400 alewife herring marks a significant milestone in a broader river cleanup effort. Subscribe to our channel: https://youtube.com/SciAmerican Transcript: Wriggling through this transfer tube are 400 alewife herring. The Bronx River was onc
10:22
How are MARBLES made? | Maddie Moate

21 views / 0 likes - added 1 month ago

Little correction - "Cobolt" should be spelt "Cobalt" :-)I went to the House of Marbles in Newton Abbot to catch up with glass-maker Paul and learn how to make my own multi-coloured glass marble!Have you seen my new book? It's available now https://www.ma
18:24
The Holographic Universe Explained

391 views / 0 likes - added 5 years ago

We live in a universe with 3 dimensions of space and one of time. Up, down, left, right, forward, back, past, future. 3+1 dimensions. Or so our primitive Pleistocene-evolved brains find it useful to believe. And we cling to this intuition, even as physics
13:21
Twin paradox: the real explanation

452 views / 0 likes - added 5 years ago

There is no more famous conundrum in special relativity than the Twin Paradox. One twin travels at great distance at the speed of light and returns, much younger than the other twin. Yet who is moving and who isn’t? It is commonly claimed that accelera
16:23
Will You Travel to Space?

504 views / 0 likes - added 5 years ago

Check out Sound Field: http://youtube.com/soundfieldpbs Check out the new Space Time Merch Store! https://pbsspacetime.com/ Support Space Time on Patreon https://www.patreon.com/pbsspacetime Thanks to Matthias Rüby for on-site camera work. https://www.ins
18:11
Arsenic - Periodic Table of Videos

341 views / 0 likes - added 4 years ago

A brand new video on the element Arsenic.More links and info in full description Featuring Sir Martyn Poliakoff and Neil Barnes.Arsenic life: https://youtu.be/rQ8jHM8QhU8 With thanks to the AP Archive.Support us on Patreon: https://www.patreon.com/periodi
06:21
The lifespan secret: why giraffes live longer than ferrets

113 views / 0 likes - added 2 years ago

It is well known that Somatic mutations - mutations in our bodys genetic code that accumulate over time - can cause cancer, but their broader role in ageing is less clearNow a team of researchers have measured the somatic mutation rates of a range of mamm
09:21
[60 fps] Berlin, July 1945

449 views / 0 likes - added 4 years ago

In honor of the end of World War II in Europe I have attempted to stabilize and deblur an amazing archival video from @BERLIN CHANNEL: https://youtu.be/R5i9k7s9X_A (it is already with sound) That’s how Berlin looked just after the German surrender.
02:17
The Most Dangerous Stretch of Water in the World: The Strid at Bolton Abbey, Yorkshire

409 views / 1 likes - added 4 years ago

I know, I know, it's a clickbait title. But I stand by it, because the water is so deceptive, and so pretty, and there's a path that leads straight down to it and that jump looks very, very possible... The 12th century legend is the "Boy of Egremont", imm
03:57
Hubble Spotted New Evidence That Dark Matter Is "Cold"

328 views / 0 likes - added 4 years ago

We don't know what dark matter is, because we can't detect it. But new observations from Hubble could illuminate dark matter's true identityand the role it plays in the fate of our universe. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more El
07:11
The Infinitesimal Monad - Numberphile

647 views / 0 likes - added 8 years ago

More mind-bending math from the world of the infinitely big - and infinitesimally small. Featuring Professor Carol Wood from Wesleyan University. More from this interview: http://youtu.be/FVZqPaH94qU Infinity is bigger than you think: https://youtu.be/elv
13:58
The Josephus Problem - Numberphile

647 views / 0 likes - added 7 years ago

The Josephus Problem, featuring Daniel Erman from University of Wisconsin-Madison. Winning at Dots and Boxes: https://youtu.be/KboGyIilP6k NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Number
12:15 Popular
What is an atom and how do we know?

779 views / 1 likes - added 5 years ago

Ever wonder how we actually know that atoms exist? Here we'll learn what atoms are and exactly how scientists went about figuring all this out. Play the Bond Breaker game here: http://www.castl.uci.edu/games/bondbreaker Read about one of the CaSTL researc
05:05
For 21 Years, No-One In Britain Knew How Long An Inch Was

290 views / 0 likes - added 3 years ago

In 1834, Parliament burned down, and the Standards of Measurement were melted or destroyed. So when there's no agreed-upon standard for length: how do you fix it? Also: how you can still publicly check the length of your sandwich.Filmed safely: https://ww
04:36
Actinium 2 - Periodic Table of Videos

521 views / 0 likes - added 6 years ago

A new and improved Actinium video. More links and info in full description ↓↓↓ Support us on Patreon: https://www.patreon.com/periodicvideos More element videos: http://bit.ly/118elements With thanks to the Oak Ridge National Laboratory for the Actinium p
10:10
How the Disco Clam Uses Light to Fight Super-Strong Predators | WIRED

327 views / 0 likes - added 4 years ago

When the disco clam, a bivalve with a flashing light display, is faced with the predatory power of the punching mantis shrimp, things get interesting. Marine biologist Lindsey Dougherty explains the bizarre behavior shes been observing in her lab.CORRECTI
03:09 Popular
Lunar Eclipses

985 views / 0 likes - added 8 years ago

Did you know there will be a lunar eclipse this week? Jessi and Squeaks explore what causes lunar eclipses and why they can make the moon look red! ---------- Correction: Edited by Sarah Meismer Like SciShow? Want to help support us, and also get things t
04:00 Popular
The Brick Double-Domino Effect Explained

707 views / 0 likes - added 7 years ago

If you use bricks as dominoes: you get a second wave going in the opposite direction. Watch the original brick domino video here: https://www.youtube.com/watch?v=-BTWiZ7CYoI I think that is the original upload. If anyone finds a better one, please do let
12:21
The World's Greatest Autograph Book

566 views / 0 likes - added 9 years ago

Isaac Newton, Charles Darwin, Benjamin Franklin, The Queen and the man who invented the Internet... How much do you think this collection of signatures is worth? The Royal Society Charter Book must surely be the world's most impressive autograph collectio
07:19 Popular
This is what sea level rise will do to coastal cities

1,407 views / 1 likes - added 4 years ago

Sea level rise is already redrawing coastlines around the world. What happens when the coast retreats through a major city? We look at how the world map will change in the year 2100, and what coastal cities can do to defend themselves.Correction: An early
06:37 Popular
The kilogram has changed forever. Here's why.

1,008 views / 0 likes - added 4 years ago

In November, scientists from around the world met in Paris to do something remarkable: they redefined the kilogram. This standard of measure was once based on a hunk of metal under lock and key in France but in 2019, it will officially be defined by somet
11:57
2022's Biggest Breakthroughs in Math

132 views / 0 likes - added 1 year ago

Mathematicians made major progress in 2022, solving a centuries-old geometry question called the interpolation problem, proving the best way to minimize the surface area of clusters of three, four and five bubbles, and proving a sweeping statement about h
03:34
This robot can hike as fast as a human

186 views / 0 likes - added 2 years ago

*Correction: Joonho Lee's first name is misspelled in the credits.In 2020, researchers at ETH Zurich introduced the world to a four-legged robot named ANYmal that could traverse a variety of environments without slipping. The machine relied solely on prop
11:53
Hackers & Cyber Attacks: Crash Course Computer Science #32

677 views / 1 likes - added 6 years ago

Today we're going to talk about hackers and their strategies for breaking into computer systems. Now, not all hackers are are malicious cybercriminals intent on stealing your data (these people are known as Black Hats). There are also White Hats who hunt
11:35
Real Gases: Crash Course Chemistry #14

576 views / 0 likes - added 9 years ago

Hank bursts our ideal gas law bubble, er, balloon, and brings us back to reality, explaining how the constants in the gas law aren't all that constant; how the ideal gas law we've spent the past two weeks with has to be corrected for volume because atoms
06:57
Accent Expert Breaks Down 4 Amazing Things About Languages | WIRED

529 views / 0 likes - added 4 years ago

Ever wonder why we pronounce words differently than we did 100 years ago? Dialect coach Erik Singer breaks down four of the most mind-blowing facts we know about human language. CORRECTION: The scan shown at 4:44 is an ultrasound image, not an MRI. We reg
10:07 Popular
Boolean Logic & Logic Gates: Crash Course Computer Science #3

1,247 views / 0 likes - added 7 years ago

Today, Carrie Anne is going to take a look at how those transistors we talked about last episode can be used to perform complex actions. With the just two states, on and off, the flow of electricity can be used to perform a number of logical operations, w
07:04
How Well Find the Aliens in Our Solar System! | STELLAR

393 views / 0 likes - added 4 years ago

Thank you to Draper and its Hack the Moon initiative for supporting PBS Digital Studios | Learn more at https://wehackthemoon.com. I got to visit two awesome upcoming NASA missions searching for life in our solar system! The Mars 2020 rover mission target
11:05
Boiling WITE-OUT Has Interesting Results!

463 views / 0 likes - added 5 years ago

Click the link below for more info and to get tickets to the Mini Maker Faire, and use the code "kingofrandom" at checkout for a special discount: https://goo.gl/SoeKum Get a limited TKOR 10M Celebration T-Shirt, only available for 24 hours! https://goo.g
08:56 Popular
How America became a superpower

799 views / 0 likes - added 7 years ago

From a colony to a superpower in 200 years. Subscribe to our channel! http://goo.gl/0bsAjO 2:07 Correction: Cuba seceded from the US in 1902. With over 800 military bases around the globe, the US is easily the most powerful nation on earth. But it wasn't
24:15
Inside a Nuclear Reactor

378 views / 0 likes - added 4 years ago

We're at the High Flux Isotope Reactor at Oak Ridge National Laboratory.Go to https://wix.com/go/PeriodicVideos to create your free Wix website. Check out our new website at https://periodicvideos.netMore links and info in full description Thanks to every
11:44 Popular
Intro to Algorithms: Crash Course Computer Science #13

972 views / 0 likes - added 7 years ago

Algorithms are the sets of steps necessary to complete computation - they are at the heart of what our devices actually do. And this isn’t a new concept. Since the development of math itself algorithms have been needed to help us complete tasks more effic
13:05
How the Lunar Scene from Ad Astra Was Made | WIRED

394 views / 0 likes - added 4 years ago

Jedediah Smith, VFX supervisor for Method Studios, describes the painstaking process visual effects artists used to create the moon and lunar rover sequence in Ad Astra. From their innovative use of infrared cameras to their deep archival research to thei
05:04
Holy Smoke And A New Pope - Periodic Table Of Videos

514 views / 0 likes - added 9 years ago

We use the Vatican's own recipe to re-create the black and white smoke used during the Papal Conclave. The cardinals elected a former chemist as Pope - Pope Francis! Black Smoke = No Pope White Smoke = Pope This video features Dr Darren Walsh. Thanks also
12:17
Memory & Storage: Crash Course Computer Science #19

588 views / 0 likes - added 6 years ago

Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/computer-science-coasters So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is sto
07:04
Why danger symbols can’t last forever

505 views / 0 likes - added 6 years ago

How to design fear, explained with 99% Invisible. Check them out here: http://99pi.org Correction: The correct spelling of “warning” in Persian is هشدار. Watch the previous episode from this series: http://bit.ly/2DDIQAL Subscribe to our channel! http://g
11:09
Chinese Magic Mirrors are really clever

147 views / 0 likes - added 1 year ago

Signup for your FREE trial of Wondrium here: http://ow.ly/h2ub30spaZfSometimes called transparent metal mirrors, these curiosities from China baffles western scientists for 100 years. The way they works is really surprising.You can buy Chinese Magic Mirro
08:20
I Visited the First Gravitational Wave Detector! LIGO | STELLAR

336 views / 0 likes - added 4 years ago

Thank you to Draper and its Hack the Moon initiative for supporting PBS Digital Studios | Learn more at https://wehackthemoon.comWeve been waiting to verify the existence of Gravitational Waves for over 100 years and I actually got to go to LIGO to see ex
07:29
Seeing a Black Hole with a Planet-Sized Telescope | STELLAR

443 views / 1 likes - added 4 years ago

Thank you to Draper and its Hack the Moon initiative for supporting PBS Digital Studios | Learn more at https://wehackthemoon.comIt took about a century for black holes to go from impossible, to theoretical, to real. And it was just this year, in 2019, wh
06:29
Why Don't Other Animals Wear Glasses?

540 views / 0 likes - added 7 years ago

Check out The Great Courses Plus: http://ow.ly/OE9y301cRfI Claude Monet could see like a honeybee: https://youtu.be/sZ8yMYvHc5E ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart This is a cool old movie from 194
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07:18
Why Its So Hard To Recycle Styrofoam and Polystyrene | World Wide Waste

232 views / 0 likes - added 2 years ago

Many people think Styrofoam or polystyrene foam can't be recycled. It can, but because the product is mostly air, it's hard to do it profitably. One company in Mexico City figured out how.CORRECTION: A previous version of this video incorrectly stated tha
06:05
From white supremacy to Barack Obama: The history of the Democratic Party

667 views / 2 likes - added 7 years ago

The party completely flipped. Watch the history of the Republican Party: https://www.youtube.com/watch?v=s8VOM8ET1WU Correction: A previous version of this video incorrectly indicated that the republican candidate in 1912 was James K. Polk. It was William
07:57
Why It's Time to Stop Saving the Planet*

35 views / 0 likes - added 1 month ago

We care about the planet. But what if it's time to stop "saving it"?Western cultures and even some climate scientists and sustainability advocates often share the idea that there is the natural world and the human world. The natural world is seen as prist
05:05
Why gamers use WASD to move

423 views / 0 likes - added 5 years ago

First person shooters mean WASD. The history of the keyboard default involves a gaming legend and the start of a new era in games. Correction: At 3:36, a previous version of this video misassigned the keys, the error has been fixed Subscribe to our channe
04:02
How the Apollo Spacecraft works: Part 3

507 views / 0 likes - added 4 years ago

The LM ascent stage liftoff from the lunar surface to rendezvous and dock with the CSM. It was a three day journey to get back home. After reentry and splashdown, the astronauts were picked up by an aircraft carrier.Help me subtitle this video in your lan
05:39
How To Find The Summer Constellations (360)

328 views / 0 likes - added 4 years ago

Impress your friends by navigating the night sky. Ursa Major: 1:31, Ursa Minor: 2:20, Cassiopeia: 3:05, Leo: 3:29, Cygnus, Lyra & Aquila: 3:45, Scorpius & Sagittarius: 4:36 Links & Info PRINTABLE GUIDE: https://media.npr.org/assets/img/2018/06/25/NPR_Star
09:47
Is This Why We Haven't Found Alien Civilizations? | STELLAR

380 views / 0 likes - added 4 years ago

Thank you to Draper and its Hack the Moon initiative for supporting PBS Digital Studios | Learn more at https://wehackthemoon.comPhysics Girl explores how Well Find the Aliens in Our Solar System!https://www.youtube.com/watch?v=zfqpYDVhXd8&t=1sLooking up
18:19
How tag became a professional sport

346 views / 0 likes - added 3 years ago

How do you make a classic childrens game into a sport? The founders of World Chase Tag figured it out.Check out their YouTube channel for more:https://www.youtube.com/channel/UCvo8BitSExXgP-eYjXwJvgwAnd check out JimmytheGiants channel (Kieren Owen) for e
12:05
You Know I'm All About that Bayes: Crash Course Statistics #24

362 views / 0 likes - added 4 years ago

Today were going to talk about Bayes Theorem and Bayesian hypothesis testing. Bayesian methods like these are different from how we've been approaching statistics so far, because they allow us to update our beliefs as we gather new information - which is
25:27
How an 18th Century Sailing Battleship Works

152 views / 0 likes - added 1 year ago

Fly through a wooden warship from the age of sail! For a much more history-driven experience, check out Epic History channel's "Victory" series here: https://www.youtube.com/watch?v=61SYvhojGvg CREDITS Jacob O'Neal - Modeling, animation, texturing, vfx, m
03:28 Popular
Weird Animal Teeth

904 views / 0 likes - added 8 years ago

Join Jessi and Squeaks to learn about a few animals with extreme teeth! ---------- Correction: Edited by Sarah Meismer Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our a
42:45
Journey to the Edge of the Universe [4K]

211 views / 1 likes - added 1 year ago

Ever wonder what it would be like to fly all the way to the edge of space? Well in this video, we'll be doing just that. Using beautiful images snapped by the Hubble and Webb telescopes, we will embark on a tour of our universe- venturing deep into the da
05:29
The Islands With Too Much Power

218 views / 0 likes - added 2 years ago

The Orkney Islands, off the northern tip of Scotland, have so much electricity that it's actually a problem. Here's why: and here's what they're doing about it. This video has a correction: Hornsdale Power Reserve didn't catch fire! It was the newer Victo
03:38
Could Galactic Walls Prove We're Wrong About The Universe?

598 views / 0 likes - added 8 years ago

Astronomers have just found the biggest galaxy wall yet. What is a cosmic great wall, and how do we find them? Does This Discovery Prove There's Another Universe? ►►►►http://bit.ly/25uz6Cd Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbF
19:59
What Happens at the Event Horizon? | Space Time | PBS Digital Studios

613 views / 0 likes - added 7 years ago

What really happens when you approach the event horizon of a black hole? What do you see when you actually cross it? Matt shows you an elegant tool for understanding this mysterious region of spacetime. This episode is supported by The Great Courses Plus.
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Galaxies, Part 2: Crash Course Astronomy #39

668 views / 0 likes - added 8 years ago

Active galaxies pour out lots of energy, due to their central supermassive black holes gobbling down matter. Galaxies tend not to be loners, but instead exist in smaller groups and larger clusters. Our Milky Way is part of the Local Group, and will one da
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Why Do We Have Such Crooked Teeth?

679 views / 0 likes - added 7 years ago

A lot of humans need or want braces to fix their crooked teeth, but why do you never see a dog walking down the street with headgear? Our ancient ancestors and mac and cheese may be to blame! *Correction: Even though hyraxes look similar to rodents, they'
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Registers and RAM: Crash Course Computer Science #6

737 views / 0 likes - added 7 years ago

Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to create memory! Using the basic logic gates we discussed in episode 3 we can build a circuit that stores a single bit of information, and then through some
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Will The Universe Expand Forever? | Space Time | PBS Digital Studios

601 views / 0 likes - added 8 years ago

Will the Universe continue to expand outward or will it succumb to gravity and collapse upon itself? Find out in this episode of Space Time. Help us win a Webby Award by voting here: https://pv.webbyawards.com/2016/online-film-video/video-channels-and-net
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What If We Lost The Amazon Rainforest?

468 views / 3 likes - added 4 years ago

How long would it take for the world's largest rainforest to burn down? If we don't do anything to stop it, we'll soon find out. The Amazon rainforest creates 20% of the Earth's oxygen. It's home to 30% of the planet's species, and it holds the secrets to
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Venus May Have Life!

253 views / 0 likes - added 3 years ago

Check Out Overview of PBS Terra: https://bit.ly/33otrUnIf you rank the most habitable places in our solar system Venus lands pretty low, with surface temperatures hot enough to melt lead and sulphuric acid rain. And yet it may have just jumped to the fron
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What's the Best Way to Cook Pasta?

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Take the PBS Digital survey! https://www.surveymonkey.com/r/pbsds2017 Subscribe! http://bit.ly/ACSReactions Pasta noodles contain only three ingredients: eggs, water and flour. But how can you achieve a tasty result every time? Cooking pasta chemically ch
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Why captchas are getting harder

240 views / 1 likes - added 3 years ago

Want to watch this video? Please identify all the traffic lights first.Subscribe and turn on notifications ( ) so you don't miss any videos: http://goo.gl/0bsAjOIt's not you captchas really are getting harder. The worst part is that youre partly to blame.
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The New Science of Microscopic Robots

135 views / 0 likes - added 2 years ago

Get our exclusive NordVPN deal here https://NordVPN.com/sabine It's risk-free with Nord's 30-day money-back guarantee! Injecting tiny remote controlled robots into the human body isnt all that far-fetched any more. What tiny robots are scientists working
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What it's Like Working In Japan | "Short" Version

523 views / 0 likes - added 6 years ago

I've never worked in Japan. I mean I work in Japan, but I work from my home and have never needed Japanese language or workplace skills. But I do know people who have, so I set up interviews with 8 of them to see what their experiences were like. All of t
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How a recording-studio mishap shaped '80s music

259 views / 0 likes - added 3 years ago

Warning: This is an unapologetic ode to gated reverb drums Here's a Spotify playlist of some of the best gated reverb songs: http://spoti.fi/2vH7ZZL Over the past few years a general nostalgia for the 1980s has infiltrated music, film, and television. I d
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Why 18th-Century Firefighters Let Some Buildings Burn

257 views / 0 likes - added 3 years ago

In the 18th century, firefighters weren't always meant to fight fires. If your building didn't have a fire mark, they might just let it burn. The reason: fire insurance, and fire insurance companies. [CORRECTION: the plaques on the wall at 1:10 are parish
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Have They Seen Us? | Space Time | PBS Digital Studios

515 views / 0 likes - added 7 years ago

Are aliens watching Earth TV? We'd like to credit the SKA Organization for the image used in the thumbnail. Support us on Patreon! https://www.patreon.com/pbsspacetime Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Fac
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Mondrian Puzzle - Numberphile

544 views / 1 likes - added 7 years ago

Featuring Gordon Hamilton from Math Pickle. Read more: http://www.bradyharanblog.com/blog/mondrian-art-puzzle Thanks also to Ed Pegg Jr. Knight's Tour: https://youtu.be/ab_dY3dZFHM Support us on Patreon: http://www.patreon.com/numberphile Thanks to these
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What the coronavirus looks like up close

368 views / 0 likes - added 4 years ago

Seeing the virus up close helps us understand it.Support Vox by joining the Video Lab at http://vox.com/join or making a one-time contribution: http://vox.com/contributeThe images of SARS-CoV-2, the novel coronavirus that first appeared in humans in late
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I used Machine Learning to hack baseball

602 views / 1 likes - added 4 years ago

I always sucked at baseball... until now... ok, I still probably suck. Go to https://NordVPN.com/MarkRober and use code MARKROBER to get 75% off a 3 year plan and an extra month for free.Go subscribe to Jabril's channel!!! https://www.youtube.com/channel/
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How humans are making pandemics more likely

314 views / 0 likes - added 3 years ago

Its never been easier for animal pathogens to spill over into humans.Become a Video Lab member! http://bit.ly/video-labOver the last 40 years, disease outbreaks among humans have become more and more frequent. The majority of those diseases are zoonoses,
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What's inside this crater in Madagascar?

112 views / 0 likes - added 5 months ago

On satellite imagery, we spotted a village inside a strange crater in Madagascar. We set out to learn how it got there.Subscribe to our channel! http://goo.gl/0bsAjORight in the center of the island nation of Madagascar theres a strange, almost perfectly
05:55 Popular
The Time Terror Birds Invaded

773 views / 3 likes - added 6 years ago

About 5 million years ago, a new predator made its way from the south and onto the coastal plains of North America. It was a giant, flightless, carnivorous bird and came to be known by one of the coolest and most richly earned nicknames in all of paleonto
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Why this creepy melody is in so many movies

522 views / 0 likes - added 4 years ago

This deathly 13th-century song shows up everywhere.Become a Video Lab member! http://bit.ly/video-labCorrection: Mozarts Requiem isnt a symphony, its a requiem: a type of Catholic mass for the dead. It was initially written for mass but later popularized
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Were already using AI more than we realize

56 views / 0 likes - added 3 months ago

How artificial intelligence hides in plain sight. Subscribe to our channel and turn on notifications () so you don't miss any videos: http://goo.gl/0bsAjOThis video is sponsored by Microsoft Copilot for Microsoft 365. Microsoft has no editorial influence
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Why Is Desalination So Difficult?

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An overview of seawater desalination: removing salt to make drinkable water from the ocean.Correction: The Carlsbad plant produces 50 MGD, which is roughly 190,000 cubic meters per day (not 23,000 as stated).It might surprise you to learn that there are m
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TIL: Whale Poop Freshens Our Air | Today I Learned

704 views / 0 likes - added 6 years ago

The ocean produces at least 50 percent of the Earth’s oxygen, and strangely enough, whale poop is the fuel that helps keep our oceans alive. In this episode of Today I Learned, Asha de Vos tell us why we should all say thanks to whales and their poop. ➡ S
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Why Australia's fires are linked to floods in Africa

401 views / 2 likes - added 4 years ago

Fires are normal in Australia. This year was off the charts.Correction: A previous version of this video had the date January 7, 2019 at 0:11 and sourced the Department of Western Australia at 0:24. It has been corrected to January 7, 2020 and the Governm
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How Close Are We to Mining in Space?

438 views / 0 likes - added 4 years ago

Asteroids hold untold riches when it comes to untapped resources. We are getting closer to harvesting materials from these celestial objects, but how close are we to mining asteroids? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more How Close
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How to be a cloud detective

284 views / 0 likes - added 3 years ago

What different clouds mean, explained for kids.Welcome to our first-ever week of programming for kids! If youre standing outside and you look up, youll likely see something familiar above you: clouds! They can be long and skinny, low and rumbly, white and
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What Number Comes Next? - Numberphile

398 views / 0 likes - added 5 years ago

Maybe pause the video and see if you can figure these out? Featuring Neil Sloane of OEIS fame... More links & stuff in full description below, including spoilers ↓↓↓ Extra footage from this video: https://youtu.be/ydn7s9-3GRc Neil Sloane is the founder of
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Pilot Wave Theory and Quantum Realism | Space Time | PBS Digital Studios

558 views / 0 likes - added 7 years ago

There’s one interpretation of the meaning of quantum mechanics that manages to skip a lot of the unphysical weirdness of the mainstream interpretations: it's de Broglie-Bohm pilot wave theory. Help us continue making this show by contributing here: https:
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Something weird is happening in our galaxy - Ashkbiz Danehkar

59 views / 0 likes - added 6 months ago

Explore the massive structures known as the Fermi bubbles, and dig into the prevailing theories about how they came to be.--In 2010, NASA announced the discovery of a never-before-seen galactic object: two gigantic gaseous bubbles, each emanating an impre
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The race to mine the bottom of the ocean

75 views / 0 likes - added 6 months ago

We have a lot to gain and a lot to lose from deep-sea mining.Help keep Vox free for everybody: http://www.vox.com/give-now Subscribe to our channel and turn on notifications () so you don't miss any videos: http://goo.gl/0bsAjOThere are metallic deposits
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Do the Past and Future Exist?

305 views / 0 likes - added 3 years ago

Is all that exists just whatever exists right now? Is the past erased and the future a void yet to be filled? Well, the answer lies in between the past and the future - in the elusive, ever-moving eye-blink that we call the present. Sign Up on Patreon to
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How stop motion animation began

347 views / 0 likes - added 4 years ago

An unusual insect story was the start of an animation revolution.Almanac Hollywouldn't is our miniseries on big changes to movies that came from outside Hollywood. Watch all of the episodes right here on YouTube.Episode 1: https://youtu.be/NMkZpuiEqh8Epis
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Does My Dog Know What I'm Thinking?

864 views / 0 likes - added 9 years ago

Head to BrainCraft for more doggy science! http://youtu.be/OBy3idLwwYM Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesm
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Solving Quantum Cryptography

242 views / 0 likes - added 3 years ago

Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetimeCheck out the Space Time Merch Storehttps://pbsspacetime.com/Sign up for the mailing list to get episode notifications and hear special announcements!https://m
06:49
Why there's no one inside this Spider-Man suit

286 views / 0 likes - added 2 years ago

CGI superheroes are more common than you think.Subscribe and turn on notifications so you don't miss any videos: http://goo.gl/0bsAjO On June 9, 1995, Batman Forever introduced audiences to what was likely the first CGI stunt double. In a few brief shots,
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What all Christmas movies have in common

77 views / 0 likes - added 3 months ago

Listen: Theyre all pulling from the same classic songs.Help keep Vox free for everybody: http://www.vox.com/give-now Subscribe to our channel and turn on notifications () so you don't miss any videos: http://goo.gl/0bsAjOTis the season for sitting in fron
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How plastic from clothing gets into seafood

423 views / 0 likes - added 5 years ago

Microfibers, used to make things like yoga pants, are the ocean’s tiniest problem. Correction: At 1:04, we mistakenly suggested that rayon is made from plastic. In fact, it is derived from cellulose. To go deeper on this topic, make sure to read Vox scien
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Could Life Evolve Inside Stars?

276 views / 0 likes - added 3 years ago

Take the PBS Digital Studios annual survey: http://to.pbs.org/2020surveyOne of the most bizarre proposals for life not as we know it doesnt even use atoms. It proposes that fundamental kinks and defects in the fabric of the universe - cosmic strings beade
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What Happens If We Nuke Space?

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PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACESign Up on Patreon to get access to the Space Time Discord!https://www.patreon.com/pbsspacetimeEMPs arent science fiction. Real militaries are
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Did We Just Detect a New "Wow" Signal from Proxima Centauri?

213 views / 2 likes - added 3 years ago

News has leaked of the discovery of a radio transmission from our nearest neighboring star, Proxima Centauri. Did we just detect alien communications?! Join us for this special video with Professor Kipping explaining what we know and why some skepticism i
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What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis

36 views / 0 likes - added 3 months ago

Enjoy 10% OFF and free worldwide shipping on all Hoverpens with code PBS: North America & other countries: https://bit.ly/pbs_novium UK & Europe: https://bit.ly/pbs_noviumeuTo support your local station, go to: http://to.pbs.org/DonateSPACESign Up on Patr
18:56
How Will We (Most Likely) Discover Alien Life?

38 views / 0 likes - added 3 months ago

PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACESign Up on Patreon to get access to the Space Time Discord!https://www.patreon.com/pbsspacetimeThe first discovery of extraterrestrial life wil
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What If There's A Black Hole Inside The Sun? | Hawking Stars

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Check out the NEW Space Time Merch Store: https://www.pbsspacetime.com/shop Use Code: PBS at Checkout for 15% off in DecemberPBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACESign Up on Patreon
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How Close Are We to Reinventing Plastic?

428 views / 0 likes - added 4 years ago

Our dependence on plastic is so extreme that we have microplastics not only floating through the ocean, but also in the atmosphere, in our food, and in our bodies. So how close are we to reinventing plastic? Subscribe to Seeker! http://bit.ly/subscribesee
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Could The Universe Be Inside A Black Hole?

207 views / 0 likes - added 2 years ago

PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime What is inside a black hole? Inevitable crush
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From the Cambrian Explosion to the Great Dying

541 views / 0 likes - added 6 years ago

You can go to https://Audible.com/Eons or text “Eons” to 500-500 to get started today with your 30-day trial membership with a free audiobook The first era of our current eon, the Paleozoic Era, is probably the most deceptively fascinating time in Earth’s
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Asteroids: Crash Course Astronomy #20

729 views / 1 likes - added 8 years ago

Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter,
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A Million Dollars vs A Billion Dollars, Visualized: A Road Trip

381 views / 0 likes - added 3 years ago

There are lots of ways to compare a million to a billion, but most of them use volume. And I think that's a mistake, because volume just isn't something the human brain is great at. So instead, here's the difference between a million and a billion, in a m
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Did We Just Detect Life on Venus?

252 views / 0 likes - added 3 years ago

The announcement of the detection of a possible biomarker in the atmosphere of Venus has shook up the field of astrobiology and grabbed headlines across the world. Today, we explore why Venus could plausibly host life, how this detection was made, and whe
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The House Centipede is Fast, Furious, and Just So Extra | Deep Look

645 views / 2 likes - added 5 years ago

Please follow us on Patreon! https://www.patreon.com/deeplook Take the PBSDS survey: https://to.pbs.org/2018YTSurvey CORRECTION, 9/26/2018: This episode of Deep Look contains an error in the scientific name of the house centipede. It is Scutigera coleoptr
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How Close Are We to Saving the Bees?

461 views / 1 likes - added 4 years ago

A world without bees would sting, to say the least. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more How Close Are We | http://bit.ly/HCAWplaylist Follow Olivia on Instagram: @OliviaPavcoGCorrection: Our Interview with Dr. Villalobos & scenes
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Why You're Probably Not a Simulation

570 views / 0 likes - added 3 years ago

Have you ever have a dream you were so sure was real? The simulation argument challenges our very notions of reality by asking whether everything we perceive is nothing more than an elaborate computer simulation. Recently, we've even seen headlines like "
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Voyager 2 Discovers Wall of Fire at Solar System's Edge

599 views / 1 likes - added 4 years ago

You can buy Universe Sandbox 2 here: http://amzn.to/2yJqwU6 Wonderful Person t-shirts: https://teespring.com/stores/whatdamath Hello and welcome! My name is Anton and in this video, we will talk about the reports of what Voyager 2 discovered as it left th

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