Physics and Our Universe: How It All Works

Space-Time and Mass-Energy (1x48)

Data de estreia: Set 30, 2011

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.