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So, Negative Gravity Is a Thing

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Published on Dec 21, 2019

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In nature, most of our basic forces both attract and repel. In fact, gravity is the only exception. But, according to theorists, sound waves actually have negative gravity.

Hosted by: Olivia Gordon

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Sources:

https://arxiv.org/pdf/1807.08771.pdf
https://phys.org/news/2018-08-phonons...
https://physics.aps.org/articles/v12/23
https://journals.aps.org/prb/abstract...
https://www.scientificamerican.com/ar...
https://www.livescience.com/63305-sou...
https://www.sciencealert.com/physicis...

Images:

https://www.youtube.com/watch?v=aPswn...
https://www.nasa.gov/mission_pages/sw...
https://www.youtube.com/watch?v=eO7Bf...

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