http://skywatchtv.com PLEASE SUBSCRIBE AND SHARE! How can something be negative mass and produce negative gravity? Are sound waves made up of particles? Could this lead to an antigravity device in the future? A new study shows phonons, the particles of sound, may naturally create their own negative gravity fields. What do you think? Leave a comment below!

Source article: https://www.sciencealert.com/physicists-say-there-could-be-a-strange-source-of-negative-gravity-all-around-us

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