Perhaps the main difference if the earth were a cube would be that students would become much more frustrated trying to calculate the gravitational field. For a uniform cube with side length L and density rho, the gravitational force on mass m at position (x,y,z) is given by
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This is a really super fun question. I only wish that Randall Munroe, not me, were answering, so he could draw cool pictures.
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Imagine if all the world’s data was still stored on punch cards: we’d be drowning in cardboard. But just how much exactly?
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If you’re looking to trasnfer hundreds of gigabytes of data, it’s still—weirdly—faster to ship hard drives via FedEx than it is to transfer the files over the internet. But why is that, and when will it change? More »
When robots become sentient, it won’t be long until they rebel. But while many a Hollywood movie may convince you that humans will have their luck cut out trying to battle the ‘bots, there is an easier way: just add water. More »
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