How Many Countries Are There?

CGP Grey · 5,263,980 Просмотры
Countries country countries.

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American Empire

American Empire

More land in America videos: https://www.youtube.com/watch?v=SgZ1f4ACZBQ&list=PLqs5ohhass_Q5xIw6brxubPI0NF4gr0Eb&index=3&t=0s
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How Hot Can It Get?

How Hot Can It Get?

TEMPERATURES!
Links to everything:

http://www.twitter.com/tweetsauce
http://www.facebook.com/VsauceGaming

Thanks to http://www.youtube.com/minutephysics
and
http://www.youtube.com/user/phdcomics
for their guidance on this video!

All music (except for the classical in the beginning) by Jake Chudnow: http://www.soundcloud.com/JakeChudnow

Human body temperature: http://antranik.org/regulation-of-body-temperature/

GreenPowerScience: http://www.youtube.com/watch?v=svAPyyUJUCo

wbeaty's videos: http://www.youtube.com/user/wbeaty/videos?view=0

sun and pinhead fact is from this book: http://www.amazon.com/The-Universe-Teacup-Mathematics-Beauty/dp/0151003238

PLASMA IN MICROWAVE inside my temperature leanback: http://www.youtube.com/watch?v=HVb7XzTbl2k&feature=BFa&list=PL5B111EE10D69CD6E

Calculate wavelength based on temperature: http://hyperphysics.phy-astr.gsu.edu/hbase/wien.html

WR 104: http://blogs.discovermagazine.com/badastronomy/2008/03/03/wr-104-a-nearby-gamma-ray-burst/

These are great discussions of absolute hot if you want to read more:

http://forums.xkcd.com/viewtopic.php?f=18&t=39799
http://www.wisegeek.com/what-is-the-highest-possible-temperature.htm
http://www.physicsforums.com/showthread.php?t=384571&page=2
http://www.thenakedscientists.com/forum/index.php?topic=9467.0

Temperature wikipedia: http://en.wikipedia.org/wiki/Temperature

kugelblitz: http://en.wikipedia.org/wiki/Kugelblitz_(astrophysics)

Are you brighter than the sun?: http://blogs.discovermagazine.com/badastronomy/2009/12/30/are-humans-brighter-then-the-sun/

BONUS:

check out the Hagedorn temperature: http://en.wikipedia.org/wiki/Hagedorn_temperature

****Awesome Russian Guest Stars****

sashok74 http://www.youtube.com/user/sashok74
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pymathru http://www.youtube.com/user/pymathru
energytima http://www.youtube.com/user/energytima

And also negative ABSOLUTE temperatures: http://www.newscientist.com/article/mg20827893.500-how-to-create-temperatures-below-absolute-zero.html

http://cryo.gsfc.nasa.gov/introduction/neg_Kelvin.html
What If We Built a Road Around the World?

What If We Built a Road Around the World?

Go watch Half As Interesting's first video here: https://www.youtube.com/watch?v=o1bIKvHDNWI

What if we constructed a road around the world that connected most of Earth's continents? It'd be cool to drive from Europe to North America and some other places... I guess

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Special thanks my Patrons: Juan Rodriguez, Owen, Jarrell Hawkins,
Conor Dillon, Donna, Michael Aufiero, Mohammad Abu Hawash, MechanoidOrange and Greenlandia.

Videos explaining things. Mostly over topics like history, geography, economics and science.

We believe that the world is a wonderfully fascinating place, and you can find wonder anywhere you look. That is what our videos attempt to convey.

Currently, we try our best to release one video every week. Bear with us :)
Who Owns Antarctica? (Bizarre Borders Part 3)

Who Owns Antarctica? (Bizarre Borders Part 3)

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Alan Light


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R. K. Headland,

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What Does Earth Look Like?

What Does Earth Look Like?

Follow Michael Stevens: http://www.twitter.com/tweetsauce
EXTRA INFO & LINKS BELOW!

Dr. Julian Bayliss' rainforest story: http://youtu.be/mni8mSS4KDU

Cool video from CGPGrey: "How Many Countries Are There?" http://youtu.be/4AivEQmfPpk

upside-down map: http://paulmencke.nl.dualdev.com/wp-content/uploads/2010/10/Upside-down-World-Map.jpg

INTERACTIVE projection site: http://www.jasondavies.com/maps/transition/

Chromoscope: http://www.chromoscope.net/

Mercator Puzzle: https://gmaps-samples.googlecode.com/svn/trunk/poly/puzzledrag.html

xkcd on maps: http://xkcd.com/977/

Earth "live": http://aa.usno.navy.mil/imagery/earth/live

interactive gnomonic: http://bl.ocks.org/mbostock/3795048

West Wing MAPS clip: http://www.youtube.com/watch?v=n8zBC2dvERM

Earth from Mars: http://astrobob.areavoices.com/2012/08/10/what-does-earth-look-like-from-mars/

Earth from Saturn: http://saturn.jpl.nasa.gov/news/newsreleases/newsrelease20130722/

"look" etymology: http://www.etymonline.com/index.php?term=look

wave on a string simulation: http://phet.colorado.edu/en/simulation/wave-on-a-string

Hi-res electromagnetic spectrum: http://www.zulyzami.com/dl16?display

Earth under different light: http://orbitingfrog.com/2008/06/25/earth-and-friends-in-multiple-wavelengths/

Moon's shadow on Earth: http://www.slate.com/blogs/bad_astronomy/2013/11/04/solar_eclipse_november_solar_eclipse_pictures_and_videos.html

Bad Astronomer on twitter: https://twitter.com/BadAstronomer

Africa compared to big countries: http://cdn.twentytwowords.com/wp-content/uploads/africa.jpg

Map projection info:

http://usersguidetotheuniverse.com/?p=1734
http://nationalatlas.gov/articles/mapping/a_projections.html
http://www.radicalcartography.net/?projectionref
http://www.geo.hunter.cuny.edu/~jochen/gtech201/lectures/lec6concepts/map%20coordinate%20systems/how%20to%20choose%20a%20projection.htm
http://education.nationalgeographic.co.uk/education/media/selecting-map-projection/?ar_a=1
http://www.colorado.edu/geography/gcraft/notes/mapproj/mapproj.html
http://kartoweb.itc.nl/geometrics/map%20projections/mappro.html
http://www.giss.nasa.gov/tools/gprojector/help/projections.html

What we used to think Earth looked like from space: http://blogs.smithsonianmag.com/smartnews/2013/09/heres-what-we-thought-earth-would-look-like-from-space/

Earth is not a perfect sphere: http://www.scientificamerican.com/article.cfm?id=earth-is-not-round