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Is Gravity An Illusion? | Space Time | PBS Digital Studios

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 Astronomy   |   Physics   |   Science
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Want to ask some sort of crazy question about Space?:
Tweet at us! @pbsspacetime
Facebook: facebook.com/pbsspacetime
Email us! pbsspacetime [at] gmail [dot] com
Comment on Reddit: http://www.reddit.com/r/pbsspacetime

Let us know what topics you want to learn more about:
http://bit.ly/spacetimepoll

Most of us take gravity as an assumed part of our living realities, but why? Basic physics introduces us to the concept of gravity from a Newtonian sense, but when you start factoring Einstein into an understanding of gravity, things get… weird. For example, gravity may simply not exist. Why? Watch this week’s episode of PBS Space Time and find out why gravity may be an illusion!

Extra Credit:

1960 Frames of Reference video (abridged version)
https://www.youtube.com/watch?v=Y75kEf8xLxI

1960 Frames of Reference video (full version)
https://archive.org/details/frames_of_reference

SmarterEveryDay Baffling Balloon Physics
https://www.youtube.com/watch?v=y8mzDvpKzfY

Einstein 1907 paper (translation) on the equivalence principle
http://www.pitt.edu/~jdnorton/teaching/GR&Grav_2007/pdf/Einstein_1907.pdf

Additional info the equivalence principle
http://www.einstein-online.info/spotlights/equivalence_principle

PBS Learning Media animation about frames of reference:
http://www.pbslearningmedia.org/resource/lsps07.sci.phys.fund.frameref/frames-of-reference/

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Comments:

Miguel Portela
https://www.youtube.com/watch?v=9Q_0vOdzw4Y&lc=z13ry1pogumff5rrz04cihaipqukifwjpbo

Lutranereis
https://www.youtube.com/watch?v=9Q_0vOdzw4Y&lc=z12pcllrpk3me35nj22kc1wbnwzvjjh4i04

Lukos0036
https://www.youtube.com/watch?v=9Q_0vOdzw4Y&lc=z13rtftpiprfcbj2o23pidj54ripyvv3a

Pikminiman
https://www.youtube.com/watch?v=9Q_0vOdzw4Y&lc=z134vjni4yjdzr1xq04cdbgjgrylsherqus0k


Music:
Buster - Patternbased (https://soundcloud.com/patternbased)
Philly D Jr. - Patternbased (https://soundcloud.com/patternbased)
Dr Dreidel - Patternbased (https://soundcloud.com/patternbased)
Windmills - Anitek (https://soundcloud.com/anitek/02-windmills)
Secret Society - Logical Disorder (http://logicaldisorder.bandcamp.com/)
u dont know im fadin
Pinball Beat - Patternbased (https://soundcloud.com/patternbased)
miracle - slow (http://www.restingbell.net/releases/r)
Heisse Luft - Thompson and Kuhl (https://soundcloud.com/phlow/05-x-com)

New SpaceTime episodes every Wednesday!

Hosted by Gabe Perez-Giz
Made by Kornhaber Brown (www.kornhaberbrown.com)

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