Space-Time and Mass-Energy
Lecture no. 48 from the course: Physics and Our Universe
Taught by Professor Richard Wolfson | 31 min | Categories: The Great Courses Plus Online Science Course
In relativity theory, contrary to popular views, reality is what's not relative—that is, what doesn't depend on one's frame of reference. See how space and time constitute one such pair, merging into a four-dimensional space-time. Mass and energy similarly join, related by Einstein's famous E = mc2.