JQI Podcast Episode 9
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We all know that diamonds can hold great sentimental (and monetary) value. As luck may have it, diamonds—particularly defective ones, with little errors in their crystal structure—also hold great scientific value.
Gravity is a fixture of our everyday lives, particularly apparent when we drop a piece of toast on the kitchen floor or trip over an unseen step. Not surprisingly, physicists have studied gravity heavily over the centuries.
There’s a big unsolved mystery in physics: The cosmic balance sheet for matter in our universe just doesn’t add up. Galaxies all over space move as though they are much heavier than they appear.