"Tom"
news:5d081222-5b36-4e82-b8d7-8900c2acbbc4@d4g2000prg.googlegroups.com...
| The speed of light varies depending on the strength of the
| gravitational field. Einstein said that. You might want to check out:
|
| arXiv:gr-qc/0704.3485
|
| and the references therein.
Oh well, if Einstein said it then it must be so.
Einstein said the "time" required by light to travel from A to B equals
the "time" it requires to travel from B to A, like this,
http://www.androcles01.pwp.blueyonder.co.uk/Smart/tAB=tBA.gif
so 12 = 4, right?