The Equivalence Principle
Physics / Quantum Mechanics
Four hundred years ago--or so the story goes--Galileo Galilei started dropping things off the Leaning Tower of Pisa: Cannon balls, musket balls, gold, silver and wood. He might have expected the heavi continue reading this fact
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X-Rays - Another Form of Light
Physics / Fundamentals
A new form of radiation was discovered in 1895 by Wilhelm Roentgen, a German physicist. He called it X-radiation to denote its unknown nature. This mysterious radiation had the ability to pass through continue reading this fact
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The Early Universe Soup
Physics / Quantum Mechanics
In the first few millionths of the second after the Big Bang, the universe looked very different than today. In fact the universe existed as a different form of matter altogether: the quark-gluon plas continue reading this fact
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