Category Archives: How fast can things go?

Muon decay

How can the decay of muons produced in the Earth’s upper atmosphere provide evidence for the Special Theory of Relativity?

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Fermilab: Relativity series with Dr Don Lincoln

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

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Breakthrough Junior Challenge: Some Cool Ways of Looking at the Special Theory of Relativity

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Frame of Essence – The light that will light the way

Are you really standing still? The Michelson-Morley Experiment Time dilation The Cosmic Speed Limit Mass-Energy Equivalence – E=mc²

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Neil deGrasse Tyson explains the Michelson-Morley experiment

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Minute Physics – Relativity

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Professor Dave explains Special Relativity

Special Relativity Part 1: From Galileo to Einstein Special Relativity Part 2: Time Dilation and the Twin Paradox Special Relativity Part 3: Length Contraction Special Relativity Part 4: Mass-Energy Equivalence or E = mc² General Relativity: The Curvature of Spacetime

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Physics Girl – Special Relativity and the Twin Paradox

How can just two rules of Einstein’s 1905 theory of special relativity lead to seemingly paradoxical changes in the perception of time?

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Veritasium – Can You Go the Speed of Light?

Einstein’s classic thought experiment involves sitting on a train travelling at the speed of light. If you hold a mirror in front of your face, will you see your reflection in a mirror? How could light from your face reach … Continue reading

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Vsauce – Would Headlights Work at Light Speed?

If you were driving at the speed of light and turned on your headlights, what would happen?  

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