[UFO]負の質量をもつ物体の生成に米大学が成功[反重力]

[UFO]負の質量をもつ物体の生成に米大学が成功[反重力]
https://ai.2ch.sc/test/read.cgi/sci/1492707428/

last-modified: 2020-11-14 09:45:41