THIS DAY IN SCIENCE: 1st Human Heart Transplant in 1967

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How Special Relativity Makes Magnets Work

How Special Relativity Makes Magnets Work

Magnetism seems like a pretty magical phenomenon. Rocks that attract or repel each other at a distance – that’s really cool – and electric current in a wire interacts in the same way. What’s even more amazing is how it works. We normally think...
The Meaning of E=mc^2

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....
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