THIS DAY IN SCIENCE: Liquid Oxygen in 1877

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The Meaning of E=mc^2

You’ve probably seen E=mc2 somewhere, in science class or maybe in cartoons or other pop culture ephemera, but if you really want to know what it means, listen to World Science Festival co-founder and Columbia University physicist Brian Greene’s explanation above. Then, once you have the basics of the relationship between mass and energy, go check out the Mass-Energy Scale from Minute Labs. Would you be surprised to know that the amount of energy used by the Large Hadron Collider in one year is roughly equivalent to the mass of an ounce of feathers?

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