6 points
*
it’s not. Light only travels at c in a vacuum.
Looks like I am light years away from joining the ackchyually club.
3 points
Headline says that it can fire at the speed of light though not that it does.
3 points
8 points
*
14 points
If you really want to be pedantic, c is the notation for the “speed of light in a vacuum”, not just the “speed of light”, which depends on the medium.
7 points
-4 points
I am being pedantic here, but if the laser travel at the same speed as c in a given medium, then it is going at the speed of light.
5 points
*
1 point
4 points