Over on the other side of the methods divide, Andrew Gelman shares a tip: Caffeine, a lightweight and free app for Macs that keeps them awake even when you haven’t clicked on them for a while. But let me double down on Gelman with a tip that, if used improperly, could destroy your computer: Insomniax, which doesn’t just keep your Mac awake but actually disables its sleep function. In other words, if you have to move from one place to another while you’re running calculations, or if you just want iTunes to keep playing when you close the lid on your MacBook, then Insomniax is the solution. Seriously, though: If you forget to turn Insomniax off, it could result in essentially melting your computer. So, you know. Handle with care.

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