Category: Gravity
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Hawking radiation: a weight-loss program for black holes – another black hole conundrum and a cute connection between black holes and quantum field theory
Coming on the heels of the apparent success of Wegovy and Ozempic for obese humans, a situation that I am still very skeptical about for its long-term effects, I thought I would write a post about how Hawking radiation causes black holes to lose mass. It is subtle and not…
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Mr. Einstein and my GPS
I promised to continue one of my previous posts and explain how Einstein’s theories of 1905 and 1915 together affect our GPS systems. If we hadn’t discovered relativity (special and general) by now, we’d have certainly discovered it by the odd behaviour of our clocks on the surface of the…
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Arbitrage arguments in Finance and Physics
Arbitrage refers to a somewhat peculiar and rare situation in the financial world. It is succinctly described as follows. Suppose you start with an initial situation – let’s say you have some money in an ultra-safe bank that earns interest at a certain basic rate . Assume, also, that there…