Re:Gravity batteries try to beat chemical ones with winches,...
by nl on Sunday April 25, 2021 @12:26AM
(#26930344)
It's true we only recently have been able to built equipment sensitive enough to measure them.
However, they were predicted in 1916 as part of Einstein's Relativity work: https://en.wikipedia.org/wiki/Gravitational_wave
In a classical mechanics sense - yes. But the waves were detected just couple years ago.