Tagged Questions
5
votes
0answers
154 views
How is it possible the speed of light is not constant?
I was reading this article recently, which summarizes a couple of new studies into the speed of light.
In one paper, Marcel Urban from the University of Paris-Sud, located in Orsay, France and his ...
2
votes
1answer
71 views
Time taken for gravity of a distant object to interact with a newly created particle? [duplicate]
Possible Duplicate:
The speed of gravity
Does gravity travel at the speed of light?
Imagine there is a large mass $m_1$ (e.g. a star) 1 light-year away from us. It is stable, stationary ...
1
vote
1answer
147 views
Speed of light and virtual particles
After becoming extremely bored while studying for an Afrikaans exam, I started thinking about virtual particles. So, can light (photons) interact with virtual particles (even though they only exist ...
