3 ms·
Technically no, photons don't always have a speed of 1C, as C is the speed of light _in a vacuum_. In more dense matter the speed of light will slow down.
by StevenHarlow 3y ago
Technically no, photons don't always have a speed of 1C, as C is the speed of light _in a vacuum_. In more dense matter the speed of light will slow down.
- uoaei 3y agoTechnically true and also completely irrelevant for this thread.
- deleted 3y ago[deleted]