Questions with the keyword ''relativity'

• Does bending of light due to warping of space violate Fermat’s Principle or is it that in the principle light goes in a by rajathjackson to Dave, David, Jack Comments: (No comments so far )
• What is spacetime? I read the book ‘Relativity’ by Sir Albert Einstein himself but, it was a little tough for me to by rajathjackson to Chris, Dave, David, Fiona, Jack Comments: (No comments so far )