3 ms·
> And don't forget that a wave can travel at the speed of light even if the wave is carried by massy particles that can not. I would love an example of that!
by snissn 10y ago
> And don't forget that a wave can travel at the speed of light even if the wave is carried by massy particles that can not.
I would love an example of that!
- ars 10y agoElectricity. The electrons barely move, but the wave (the voltage in this case) travels at almost the speed of light.