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240 | Andrew Pontzen on Simulations and the Universe
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
The Importance of Simulation
We're dividing space up into cubes and every cube might contain the equivalent of lots of stars. That's how we track something like gas through the universe. We do have one of these sub grid rules that looks at each individual grid cube, if you like,. And it says, is the bit inside here suitable for forming stars? It doesn't have the right conditions. So this is then going a little bit more back to that laboratory setting where you imagine now, OK, I've got a dot, as well as the grid, I've also got a dot in my simulation. The dot is going to be allowed to move around. It's going to basically follow the trajectory determined by gravitational
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