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25 Jan 2009 11:25


Tech: Want to secure your wi-fi? Paint your office.

  • That’s what Japanese scientists say. It’s a pain in the butt to block wireless signals from the outside world if you’re the IT guy, but apparently, if your office’s paint job contains the right material (by adding certain metals), it can block those signals for reaching beyond the current room. And unlike other signal-blocking solutions, it’s actually kinda cheap to make. Neat. source