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A comment on How to avoid being hit by a laser in a room of mirrors [video]. Parent comment

Re:How to avoid being hit by a laser in a room of mirrors [v... by Pyramus on Monday August 16, 2021 @03:23AM (#28195734)
Both person and obstacles are meant to be infinitesimally small, i.e. points with mass zero, which makes one really appreciate the beauty of the solution.
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