We put aerogel to the test vs 'not-a-flamethrower', a huge 2000°C flame to a large fiberglass blanket infused with silica aerogel - formerly the lightest solid (that title is now held by graphene aerogel).

Special thanks to:
Aerogel Technologies: https://ve42.co/aerogeltech
Aspen Aerogels: https://ve42.co/aspen
Ben: @BenScho999999
Dr. Stephen Steiner and the Aerogel Technologies team

The footage of aerogel materials in cold environments was provided courtesy of Aspen Aerogels. Their product, cryogel, was shown to be flexible in liquid nitrogen while preventing cold burns to the hand. They are the manufacturer of the blanket used in the main portion of this video.

This is the finale of my three-part series on aerogel. I'll put links to the other parts below:
World's Lightest Solid: https://youtu.be/AeJ9q45PfD0
I Waterproofed Myself With Aerogel: https://youtu.be/GcdB5bFwio4

Huge thanks to Patreon supporters:
Alfred Wallace, Arjun Chakroborty, Bryan Baker, Chris Vargas, Chuck Lauer Vose, Dale Horne, Donal Botkin, Eric Velazquez, halyoav, James Knight, Jasper Xin, Joar Wandborg, Kevin Beavers, kkm, Leah Howard, Lyvann Ferrusca, Michael Krugman, Mohammed Al Sahaf, Noel Braganza, Philipp Volgger, Pindex, Ron Neal, Sam Lutfi, Stan Presolski, Tige Thorman

This is an educational video demonstrating scientific experiments performed by professionals. It should not be attempted by viewers.

Music from Epidemic Sound: http://epidemicsound.com "Running Against the Clock" "Dangerous Forests"

Subscribe to Veritasium - it's FREE! http://bit.ly/YSWpWm
Check out other unanswered science questions: http://youtu.be/UFydagCS9fg

The universe is huge. That means two things: 1. there is probably life elsewhere, 2. It is likely too far away to have reached us.

Fast, Furious & Funny - http://www.youtube.com/fastfuriousand... (http://www.youtube.com/watch?v=YWxub2...)

The Brain Scoop - http://www.youtube.com/thebrainscoop (http://youtu.be/mNuu0y6ZmAs)

ASAPScience - http://www.youtube.com/AsapSCIENCE (http://www.youtube.com/watch?v=wgxJhp...)

The Royal Institute of Great Britain - http://www.youtube.com/TheRoyalInstit... (http://www.youtube.com/watch?v=gm02Oi...)

PBS Idea Channel - http://www.youtube.com/pbsideachannel (http://www.youtube.com/watch?v=TbNymw...)

The Spangler Effect - http://www.youtube.com/TheSpanglerEffect (http://www.youtube.com/watch?v=4fQ4uB...)

Minute Physics - http://www.youtube.com/minutephysics (http://www.youtube.com/watch?v=2yHDeK...)

Head Squeeze - http://www.youtube.com/HeadsqueezeTV (http://www.youtube.com/watch?v=UPBJX1...)

Vsauce - http://www.youtube.com/Vsauce (http://www.youtube.com/watch?v=L45Q1_...)

Space is big. You just won't believe how vastly, hugely, mind- bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space. ~Douglas Adams

Thanks to Dr. Simon O'Toole for talking exoplanets with me! We also discussed the Drake equation but there wasn't really room for it.

Camera by Charles Clement

Music by Kevin McLeod (incompetech.com) Mirage, Scissors

More about the Alaska Trip: http://education.projectaether.org

Channel 10 Breakfast: http://www.tenbreakfast.com.au (6-9am weekdays in Australia)

March 26 segment on live TV talking about solar storms and my upcoming trip to the Great White North. As you watch this I will probably be on a plane high over the pacific.
PS a student recently told me that my hair to beard ratio is a bit off and watching this clip I tend to agree. However, it is still -20 C at night in Alaska so I'll need all the insulation I can get.

Scientific research has shown that heterosexual males and females find members of the opposite sex more attractive when they wear the colour red. This is a subconscious preference that seems to have some evolutionary basis. We attempted to replicate these findings in Sydney but our methods were much less controlled and the results achieved were not statistically significant.

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Happy Geek Week! http://bit.ly/16wdDuk

Everyone has played with a mixture of corn starch and water (or at least I hope they have). This was one of my favorite experiments as a kid. Your hand slides into the slime easily when moving slowly but the mixture behaves as a solid if you hit it quickly. That is what is meant by 'non-Newtonian' - the fluid's properties change depending on its relative motion. These properties can be exploited to dramatic effect as has been shown on speaker cones before. Here I wanted to understand what is going on, what frequencies and amplitudes work best so I used a slow-mo camera.

Thanks to everyone at the YouTube Space LA for helping me film this. I couldn't have done it without you.

Music licensed from http://www.cuesongs.com
Love Lost (Instrumental) by Temper Trap
A Life in the Day by Ghost of Otis
Fortune's Fool Instrumental by Hiatus & Shura
The Man by Audio Android

How should we depict an atom? Like a solar system with electrons orbiting the nucleus on hula hoop orbits? That idea is so last century! Bosi takes us into the quantum world, where an electron's position and velocity aren't well defined - all we can calculate are the probabilities e.g. of finding an electron at different points in space. When we do that, we find electrons do not neccessarily occupy circles or spheres in space. Rather their probability densities make all sorts of interesting shapes from the dumbell to the peanut with the donut around it.

Innovative research conducted in Lausanne, Switzerland has shown that a combination of neurotransmitters and electrical stimulation can restore movement to the lower limbs of previously paralysed rats. But in order for this motion to be made voluntarily the rats must be motivated to walk. This motivation comes in the form of cheering, visual cues, and of course, chocolate.

Why Trees Are Amazing: http://bit.ly/TFilQ8
Space Junk: http://bit.ly/XlLdjG
Why Astronauts Are Weightless: http://bit.ly/SuF2p1
Higgs Boson Update: http://bit.ly/Vw1Sgu

I'm going to London! And I'm leading a team of YouTubers. For the next few weeks we will all be doing videos themed around the Olympics so I'm tackling the science of sport and science in and around London.

The Team!
HOWRIDICULOUS: http://bit.ly/LtFzpW
APPCHAT: http://bit.ly/NxAMlX
ERIKAANEAR: http://bit.ly/MdyUzQ
MINUTEPHYSICS: http://bit.ly/Muh6CC
EFIT30: http://bit.ly/O4CMme

2VERITASIUM http://youtube.com/2veritasium

Music by Alankeys86 and Kevin McLeod (Incompetech.com)

For the London 2012 Summer Olympics creators from all over the world are taking over YouTube with the most awesome Olympics videos ever. Go to YouTube.com/CreatorHub to see all the amazing gold medal videos.

Newton's Three Laws of Motion are a landmark achievement in physics. They describe how all objects move. Unfortunately most people do not really understand Newton's Laws because they have pre-existing ideas about the way the world works. This film is about those pre-existing ideas. By recognizing what people are thinking, it becomes easier to describe the correct scientific concepts of Newton's Three Laws and how they differ from this 'intuitive physics'.

1, 2, 3 A song about 'lectricity
because it powers our lives
makes it possible for us to thrive

because it powers our lives
makes it possible for us to thrive

Oh, 4, 5, 6, volts of potential difference
makes electrons go round
if the circuit is complete and sound

Circuit's closed
Voltage There
Current Flows
Power Everywhere

We use AC,
in factories
and homes because we can transform it
High voltage
transmits with lower loss
but low voltage is best for safety
I said what is electricity?

Well, so 1,2,3 a song about 'lectricty
because it powers our lives
makes it possible for us to thrive

because it powers our lives
makes it possible for us to thrive

Oh, 4,5,6 volts of potential difference
makes electrons go round if the circuit is complete and sound

Heat makes steam
turns turbines
and a magnet in
coils of wires

We use AC,
in factories
and homes because we can transform it
High voltage
transmits with lower loss
but low voltage is best for safety
I said what is electricity?

Oh yeah, Oh yeah, C'mon!
How'd it be
no energy
of the electrical persuasion
I know we'd
have no computers
no internet or mobile phones yeah
Powers the world
Makes the world
We need electricity yeah

2011 is the international year of Chemistry. But what do Australians know about it?

To see what this looks like from under a glass table, see http://www.youtube.com/watch?v=E9WUaBGH7_I

Let’s say you’re on an interplanetary mission to Mars, millions of miles from the nearest hospital, and something in your body goes awry. Say, a routine body scan reveals a potentially life-threatening blood clot. What on Earth, or in space I guess, do you do? Well now we have the answer to that question.

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Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV, and Android TV. Here you can find your favorite WIRED shows and new episodes of our latest hit series Tradecraft.

ABOUT WIRED
WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores the future of business, innovation, and culture.

NASA Flight Surgeon Explains How to Treat a Blood Clot in Space | WIRED

NASA announced its returned mission to the moon by 2024, titled Artemis it will cost an estimated $20-$30 billion. They plan to go to the moon in their SLS mega-rocket and begin building a lunar gateway. The mission will focus on the possibilities of mining resources on the moon, including water for rocket fuel and will lead to future deep space travel and lunar bases in what can be considered the new era of space exploration.

MORE SPACE CONTENT:
What Happens To The Human Body In Space
https://www.youtube.com/watch?v=1xQx5d0RI3M
Elon Musk's Multibillion Dollar Mars Rocket, Explained
https://www.youtube.com/watch?v=FIn6r9RKVVM
NASA’s 4-Year Twin Experiment Takes Us Closer To Mars Than Ever Before
https://www.youtube.com/watch?v=ZVRft7r8-Ds

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#NASA #Moon #TechInsider

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NASA’s $30 Billion Moon Return Mission, Explained | Beyond Earth

This year, NASA is building momentum across the agency and across every mission. This is a year of action. With each milestone, NASA is preparing to go farther than ever before.
NASA is going to the Moon and on to Mars, in a measured, sustainable way. Working with U.S. companies and international partners, NASA will push the boundaries of human exploration forward to the Moon. NASA is working to establish a permanent human presence on the Moon within the next decade to uncover new scientific discoveries and lay the foundation for private companies to build a lunar economy. We inspire generations and change the course of history as we realize the next great scientific, economic and technical achievements in space.


This video is available for download from NASA's Image and Video Library: https://images.nasa.gov/detail....s-NHQ_2020_0210_NASA

Get ready for liftoff to the Sun! ?

Solar Orbiter, a collaboration between European Space Agency and NASA, is launching Sunday, Feb. 9, to study the inner workings of our nearest star. Tune in for launch coverage starting at 10:30 p.m. on Sunday, Feb. 9 to see liftoff, currently targeted for 11:03 p.m. EST.

More info: https://go.nasa.gov/2SiKpNn

What was the procedure to launch a nuclear missile?
Uranium premieres: July 28 & 29 on PBS at 10pm ET/ 9pm Central
France and Germany: July 31 at 10pm on ZDF/arte
Norway: August 5 & 6 at 21:30 on NRK2
Australia: August 9, 16, 23 at 8:30pm on SBS
Sweden: TBD
Middle East: TBD

For more information on other screenings go to
https://www.facebook.com/uraniumtwistingthedragon
www.genepoolproductions.com

A big thank you to The Titan Missile Museum, Yvonne and Chuck.
http://www.titanmissilemuseum.org/

Space footage courtesy of NASA

Pioneering NASA mathematician Katherine Johnson has died at the age of 101. Johnson was part of a group of African-American women who worked on critical mathematical calculations in the early days of human spaceflight, as chronicled in the best-selling book and hit movie “Hidden Figures.”

"She was an American hero and her pioneering legacy will never be forgotten,” said NASA Administrator Jim Bridenstine.

My hypothesis is that the algorithm, rather than viewer preference, drives views on the site. As the algorithm shifts, various YouTubers experience burnout (as what used to work no longer works) and right now click-through rate is the key metric. So clickable titles and thumbnails are the only way to get a lot of impressions and hence views - they are the only way to go viral. This leads me to wonder which audiences will become most prevalent on the site and if there will even be a place for educational content. In the long-term, hopefully YouTube is able to measure satisfaction through surveys and other metrics to ensure an optimal experience for everyone on the site.

Flipchart artwork by Maria Raykova
Filmed by Raquel Nuno
Thumbnail by Ignat Berbeci

We talk about all the potentially challenging situations autonomous cars could get into but not about how human drivers are not very good. Tens of thousands die on the roads every year in collisions, most of which could be prevented by autonomous vehicles.
Sponsored by BMW

I wanted to make a video about autonomous cars for some time but I hadn't had the opportunity. The self-driving technology is already at a state where it can save lives if only it were more widely implemented.

Links to original clips:
TED-Ed https://www.youtube.com/watch?v=ixIoDYVfKA0
BBC Newsnight: https://www.youtube.com/watch?v=FypPSJfCRFk&t=172s

Music from http://www.epidemicsound.com "Ambient Electronic Groove," "Pet Animals 2," "The Long Ride."
Filmed by Raquel Nuno
Edited by Trevor Carlee