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by garmaine 2123 days ago
It’s quite easy to “break” the speed of light in fiberoptic glass.
2 comments
de_watcher 2123 days ago
But it's not that useful even if you pour a glass cube over the whole exchange to slow it down.
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peteretep 2123 days ago
> It’s quite easy to “break” the speed of light in fiberoptic glass.

I don’t understand this, why? Does light travel faster than the speed of light in fibre optic glass?

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Dylan16807 2123 days ago
"the speed of light in fiberoptic glass" is the thing being broken.
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