Football on Sat TV and AM radio way out of sync. Is it a technical thing or a maths issue? Speed of light, azimuth, etc [more inside]
posted by priorpark17 on Jan 15, 2008 - 12 answers

Is there any evidence that physical laws have changed, or could possibly change over time? For example, has the speed of light - since the beginning of the universe - been the same, and will it always remain the same into the future? [more inside]
posted by extrabox on May 31, 2006 - 23 answers

[PhysicsFilter] This has been troubling me for a while and the answers I've gotten haven't satisfied me. Nothing travels faster than the speed of light for all intents and purposes, information included. I think I have a way around that, but I've been told it won't work. [More inside] [more inside]
posted by tommasz on Jul 12, 2004 - 47 answers

trying to get my head around special relativity filter: Can someone explain to me, in terms as devoid of mathematical formulae as possible, how something traveling less than the speed of light cannot be accelerated to the speed of light?
posted by xmutex on Jul 6, 2004 - 17 answers