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Anti-wi-fi paint offers security

October 13th, 2009 Leave a comment Go to comments

Anti-wi-fi paint offers security

via BBC NEWS | Technology | Anti-wi-fi paint offers security.

Researchers say they have created a special kind of paint which can block out wireless signals.

It means security-conscious wireless users could block their neighbours from being able to access their home network – without having to set up encryption.

The paint contains an aluminium-iron oxide which resonates at the same frequency as wi-fi – or other radio waves – meaning the airborne data is absorbed and blocked.

By coating an entire room, signals can’t get in and, crucially, can’t get out.

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