What Is Elastocaloric Cooling and How Does It Work?
Elastocaloric cooling is a solid-state refrigeration method that uses shape-memory alloys to pump heat by mechanically stressing and unstressing the…
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How Much Oil Has Been Extracted From the Earth (and How Big Is That Volume?)
Humans have extracted on the order of 1.5 trillion barrels of oil to date. That is about 2.39×10^14 liters, or…
