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

Provided to YouTube by YouTube CSV2DDEX

The Weight Of Wind · Borknagar

Epic

℗ Century Media Records

Released on: 2004-06-17

Auto-generated by YouTube.

Evidence Facebook's revenue is based on fake likes.
My first vid on the problem with Facebook: http://bit.ly/1dXudqY
I know first-hand that Facebook's advertising model is deeply flawed. When I paid to promote my page I gained 80,000 followers in developing countries who didn't care about Veritasium (but I wasn't aware of this at the time). They drove my reach and engagement numbers down, basically rendering the page useless. I am not the only one who has experienced this. Rory Cellan-Jones had the same luck with Virtual Bagel: http://www.bbc.co.uk/news/technology-18819338

The US Department of State spent $630,000 to acquire 2 million page likes and then realized only 2% were engaged. http://wapo.st/1glcyZo

I thought I would demonstrate that the same thing is still happening now by creating Virtual Cat (http://www.facebook.com/MyVirtualCat). I was surprised to discover something worse - false likes are coming from everywhere, including Canada, the US, the UK, and Australia. So even those carefully targeting their campaigns are likely being duped into spending real money on fake followers. Then when they try to reach their followers they have to pay again.

And it's possible to be a victim of fake likes without even advertising. Pages that end up on Facebook's "International Suggested Pages" are also easy targets for click-farms seeking to diversify their likes. http://tnw.co/NsflrC

Thanks to Henry, Grey, and Nessy for feedback on earlier drafts of this video.

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

Objects hang heavy side down, but what happens when you spin an asymmetrically weighted disk - well the heavy part actually rises to the top. Why is this?

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

Álbum Scoundrel Days - 1986 Warner Bros.

Funny Dogs Just Don't Want To Baths- Funny Videos Compilation
Dogs That Absolutely Hates Baths, Dogs just don't want to bath
Funny Dogs Who Don't Want to TAKE a BATH


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❤ Puppy Surprise Reaction #26 ❤
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★Axol x Alex Skrindo - You [NCS Release]
https://www.youtube.com/watch?v=sA_p0rQtDXE

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Crazy Dogs and Stupid Cats Ultimate Videos Compilation - Try Not To Laugh Challenge
#Crazy_Dogs, #Stupid_Cats, #Vines, #Compilation, #Try_Not_To_Laugh, #Challenge, #Laughing_Compilation
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-Little Baby Animals Will Fill Your Heart With Love, Joy & Happiness 2: https://youtu.be/9bHbFev-ib8

-Little Baby Animals Will Fill Your Heart With Love, Joy & Happiness 1: https://youtu.be/IiOu_Gh27rQ

-Funny Parrots videos awesome compilation #2: https://youtu.be/8D4-kaT6gWQ

- Husky puppies and babies too cute compilation: https://youtu.be/n88KjJUqRQE

- Cute Funny Birds Compilation #1: https://youtu.be/8kWvR0poI0E

- Cute Funny Birds Compilation #2: https://youtu.be/8D4-kaT6gWQ

- Cute Funny Birds Compilation #3: https://youtu.be/mQtAdcQ_yG0

- Funny Parrots Laughing and Crying Compilation #4: https://youtu.be/X3_kidwkNKU

- Puppies and Babies funny Compilation 2017: https://youtu.be/4UauD0eJFmM

- Jealous Dog Want More Attention From Their Owners: https://youtu.be/LT3bRfCgnbU

- Cat steals dog's bed compilation: https://youtu.be/-6hWK-ZUmqk
--------------------------------------x-------------------------------------
♫Intro MotionGraphic ♫
https://www.youtube.com/watch?v=L_5pV4PJV4c
♫IntroMusic By♫
★Axol x Alex Skrindo - You [NCS Release]
https://www.youtube.com/watch?v=sA_p0rQtDXE
♫OuttroMusic By♫
★THE HAPPY SONG by Nicolai Heidlas Music https://soundcloud.com/nicolai-heidlas
★Creative Commons — Attribution 3.0 Unported— CC BY 3.0
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...
★Music provided by Audio Library https://youtu.be/cGuaRsXLScQ
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#Funny_Dogs, #Crazy_Dogs, #Dogs_Doing_Crazy_Stuffs, #Stupid_Cats, #Funny_Cats, #Try_Not_To_Laugh_Challenge, #Ultimate_Vines_Compilations

How Schlieren imaging works in color, black and white and slow-mo.
Get a free audiobook with a 30 day free trial at http://www.audible.com/veritasium

Special thanks to Patreon supporters:
Tony Fadell, Donal Botkin, Curational, Jeff Straathof, Zach Mueller, Ron Neal, Nathan Hansen, Corvi

Support Veritasium on Patreon: http://ve42.co/patreon

Filming by Raquel Nuno
Sound Effects by A Shell in the Pit

[New]Top 10 Funniest German Shepherd Videos Compilation

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♫Intro MotionGraphic ♫
https://www.youtube.com/watch?v=L_5pV4PJV4c
♫IntroMusic By♫
★Axol x Alex Skrindo - You [NCS Release]
https://www.youtube.com/watch?v=sA_p0rQtDXE

--------------------------------------x-------------------------------------
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No copyright intended. All content used in adherence to "Fair Use" copyright law.

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❤ Puppy Surprise Reaction #18 ❤
❤ Tears Of Joy ❤
❤ Try Not To Cry ❤

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Credits:
Soon!

--------------------------------------x-------------------------------------
♫Intro MotionGraphic ♫
https://www.youtube.com/watch?v=L_5pV4PJV4c
♫IntroMusic By♫
★Axol x Alex Skrindo - You [NCS Release]
https://www.youtube.com/watch?v=sA_p0rQtDXE

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If you see a clip that you own that you did not submit or give consent for use, we have likely received false permissions and would be happy to resolve this for you!
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Everyone loves kittens. Here are the best cutest adorable kitten videos we could find!
This video will warm your heart :)
Please, do not watch if you are allergic to cuteness:)

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Cute Babies Videos: https://goo.gl/yJoMSM
Funny Dogs Compilation : https://goo.gl/XihRrj

--------------------------------------x-------------------------------------

♫Intro MotionGraphic ♫
https://www.youtube.com/watch?v=L_5pV4PJV4c
♫IntroMusic By♫
★Axol x Alex Skrindo - You [NCS Release]
https://www.youtube.com/watch?v=sA_p0rQtDXE

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Copyright Disclaimer:

If you see a clip that you own that you did not submit or give consent for use, we have likely received false permissions and would be happy to resolve this for you!
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Naughty Parrot Funny Videos Compilation HD 1080P
Birds are naughty..Naughty Bird videos compilation
Most Funny Bird Videos Compilation

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Also Watch :
- Cute Funny Birds Compilation #1
https://youtu.be/8kWvR0poI0E
- Cute Funny Birds Compilation
https://youtu.be/lhWbo135Efc
- Baby Trying Lemon For First Time:
https://youtu.be/2UdI67eBJgM
- Dogs Loves To Play With Babies :
https://youtu.be/y00dZIil154
- Puppies and Babies funny Compilation 2017 :
https://youtu.be/4UauD0eJFmM
- Jealous Dog Want More Attention From Their Owners:
https://youtu.be/LT3bRfCgnbU
- Cat steals dog's bed compilation:
https://youtu.be/-6hWK-ZUmqk
- Animal Saves Others Animals :
https://youtu.be/pieJ-GSdyx8

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