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Bad Invention: Wi-Fi Blocking Paint

Boo to anyone who, like myself, totally mooches wireless from their neighbors. Scientists at Tokyo University have created a paint that will block wi-fi signals, thanks to aluminum-iron oxide particles which resonate at the same frequency. In other words, if your neighbor uses the paint, your little “arrangement” is dunzo. In better news: you can use it for yourself and you won’t have to worry about security breaches from the internet whiz down the hall. Cool new invention or disaster? [Tech Yahoo]

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