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Tag Archives: 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
How can just two rules of Einstein’s 1905 theory of special relativity lead to seemingly paradoxical changes in the perception of time?
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
If you were driving at the speed of light and turned on your headlights, what would happen?
As part of the World Year of Physics 2005, the Pirelli Internetional Award launched the Pirelli Relativity Challenge. An award for the best multimedia work that explains special relativity theory to the layperson. The prize was given to Kiran Sachdev, who … Continue reading