Sub-mm Testing of the Gravitational Inverse Square Law (1/2)
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Uploader Comments (BrunoTheQuestionable)
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Like anything, a wave will follow the path of least reisistance. Space warps away from objects with mass, and thus a travelling wave will warp towards an object of mass!
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bruno, you are my new favorite youtube user!
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why are laser beams pulled towards objects when the beam almost touches them?
for example: you have a nicely focussed laser beam hitting the wall further away, and you put a flat metal surface parallel to the beam, and it gets really pulled towards the surface.
is gravity responsible for that, or is it just air/surface reactions or something like that? try it out if you can, i did it often, and i didnt find a good explantion for this yet.
kurtilein3 4 years ago
It sounds like diffraction to me. Think of light as a wave. The beam is not a perfect cylinder, but spreads out slightly from the side of the beam. When the edge of the beam is blocked by an object, some light is deflected behind the object. It should work equally well with the beam perpendicular to a metal sheet.
BrunoTheQuestionable 4 years ago