Detecting
gravity waves is a big deal for physicists. Gravity travels at the
speed of light and apparently warps space-time. Einstein's General
Theory of Relativity had equations that described the way gravity
acts to warp space and time that should be regarded as one spacetime
thing instead of two different things.
L.I.G.O.
is a large gravity-wave searching tool that cost a billion dollars to
build. If it could get better at making observations and measurements
of gravity waves, or perhaps a future large interferometer
observatory could, it might be able to determine if gravity occurs in
extra-dimensions beyond the standard four dimensions of normal
spacetime of this Universe.
If
gravity waves can have their energy accurately observed and
quantified it might be possible to determine if all of their energy
is accounted for in this Universe or if some of it is going
elsewhere. making such accurate observations make take a very long
time.
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