In special and general relativity, we imagine time as just another dimension of space in something called "spacetime." Unfortunately, this picture leads to questions about determinism and free will. Is that really how it works? What does the concept of spacetime actually say about the universe and about time?
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VIDEO ANNOTATIONS/CARDS
The Ultimate Guide to Relativity:
https://youtu.be/FdWMM6aXpYE
Could Flatland Be CURVED?!
https://youtu.be/WcCsELqZnE0
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RELATED YOUTUBE VIDEOS
PBS Space Time on Spacetime Diagrams:
https://youtu.be/P4rW_pPbD-U
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OTHER SOURCES
https://nssdc.gsfc.nasa.gov/planetary/factsheet/mercuryfact.html
http://www.pitt.edu/~jdnorton/teaching/HPS_0410/chapters/spacetime/
https://preposterousuniverse.com/wp-content/uploads/2015/08/grtinypdf.pdf
https://physics.stackexchange.com/questions/21376/what-is-the-origin-of-the-naming-convention-for-position-functions
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LINKS TO COMMENTS
https://www.youtube.com/watch?v=WcCsELqZnE0&lc=Ugx4VcBiA1jkzK5sCxZ4AaABAg
https://www.youtube.com/watch?v=WcCsELqZnE0&lc=UgxcRUcWqo_qRAUx4Ax4AaABAg
https://www.youtube.com/watch?v=WcCsELqZnE0&lc=Ugwq4H4OH4SyKy3zYoJ4AaABAg
https://www.youtube.com/watch?v=WcCsELqZnE0&lc=UgwMxEQVjmNKTg7808Z4AaABAg
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IMAGE CREDITS
Gravitational Lensing:
https://photojournal.jpl.nasa.gov/catalog/PIA23641
Gravitational Waves:
https://www.ligo.caltech.edu/video/ligo20160211v5
Black Hole Simulation:
https://svs.gsfc.nasa.gov/13326
People:
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