Category Archives: How fast can things go?

The Real Meaning of E=mc²

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Minute Physics – The Muon Paradox

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General Relativity Explained simply & visually

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Special Relativity simplified using no math. Einstein thought experiments

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Veritasium – Why Gravity is NOT a Force

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.

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How Do Satellites Get & Stay in Orbit?

SciShow Space takes you into Low Earth Orbit to explain how artificial satellites get up there and stay there — at least for a while.

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Felix Baumgartner Space Jump World Record

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

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The ultimate speed = c! Relativistic momentum and energy

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Muons and Einstein video

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Why do moving clocks run slow? (video)

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