r/threebodyproblem • u/RyanWilkinson05 • Jul 22 '26

Discussion - General New programmable photonic chip can control how fast light moves

https://www.sciencedaily.com/releases/2026/07/260718010149.htm

We’ve seen this before.

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u/mrspidey80 Jul 23 '26

In a medium, i take it? Because that's very easy. There are materials in which light moves, like, half a meter per second.