All Questions
2 questions
-2
votes
4
answers
277
views
Why is it "forbidden" to use EM waves as a way of detecting motion in two different inertial frames?
Constant motion can not be detected by neither particles (because of inertia) nor mechanical waves ( because they need a medium ). However when you consider light for example and assume it does not ...
6
votes
5
answers
3k
views
Special Relativity, 2nd Postulate -- Why? [duplicate]
As a lowly physics undergrad who has been chewing on this 2nd postulate of special relativity for a year or more, I simply can't wrap my head around reasons why it is true or how Einstein might have ...
- 157