Answer score of 25 or more. This badge can be awarded multiple times.
earned this badge 3 times
Awarded mar 19 at 11:54
If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?
Awarded oct 3 at 6:23
Awarded may 12 '13 at 10:19