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Category Archives: How fast can things go?
The General Theory of Relativity tells us gravity is not a force, gravitational fields don’t exist. Objects tend to move on straight paths through curved spacetime.
SciShow Space takes you into Low Earth Orbit to explain how artificial satellites get up there and stay there — at least for a while.
October 14, 2012, Felix Baumgartner ascended more than 24 miles above Earth’s surface to the edge of space in a stratospheric balloon. Millions across the globe watched as he opened the door of the capsule, stepped off the platform, and … 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