This tiny ball provides evidence that the universe will expand forever.

This tiny ball provides evidence that the universe will expand forever. Measuring slightly over one tenth of a millimeter, the ball moves toward a smooth plate in response to energy fluctuations in the vacuum of empty space. The attraction is known as…
http://myfusimotors.com/2019/01/18/a-force-from-empty-space-the-casimir-effect/