Quote Originally Posted by kingwilly View Post
^^ yeah, I realise now, I had read/learned that before.

In fact, I recall being impressed that they conducted an experiment showing this. (By sending a very accurate watch into orbit and then measuring the time it had 'lost' on return).

I just had a brain fart.
It's more a dilemma. How can they say that light travels at appr. 300,000 km per second if time doesn't exist for light?