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Category Archives: Videos
Why don’t protons and electrons just slam into each other and explode? Why do different elements emit light of different colors? Niels Bohr knew why. And now you will too!
Look, up in the sky, it’s a particle! It’s a wave! Actually it’s both. It’s light! How do we know about this stuff? Well, because of Einstein for one. He did more than E = mc^2, you know. But don’t … Continue reading
How can the decay of muons produced in the Earth’s upper atmosphere provide evidence for the Special Theory of Relativity?
What is relativity all about? Relativistic velocity: When 1 + 1 = 1 Why can’t you go faster than light? Relativity: how people get time dilation wrong Relativity’s key concept: Lorentz gamma Einstein’s clocks Twin paradox: the real explanation Length … Continue reading
Are you really standing still? The Michelson-Morley Experiment Time dilation The Cosmic Speed Limit Mass-Energy Equivalence – E=mc²