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About Evaporative Swamp Cooling (via)

So nicely said : Even if there is no law forbidding photography in the MUNI System, the Fare Inspectors have the right to refuse you service for any reason they choose, including taking photographs. Once they refuse you service they can swear out a citizens arrest for trespassing. I, or other officers, will book you and you’ll spend the rest of your weekend in jail. It won’t be for taking photographs, so your weekend would be ruined yet you’d never get a chance to argue the matter of taking photographs before a judge (Officer Ryan , San Francisco police department, speaking to a a freelance photographer, as described somewhere and on Boing Boing)

PickupLine is a network exploration tool that, among other things, is capable of bypassing authentication on authenticated wireless networks

The Freedom Toaster is a conveniently located, self-contained ‘Bring ‘n Burn’ facility, where users bring their own blank discs and make copies of the open source software they require.

Todd’s Home Automation Project (.pdf), a good starting point for a X10 house automatization project.