A special paint has been developed to dampen mobile phone signals. It’s created by blending particles of copper that are inserted into nanotubes, and then mixing and suspending these tiny...

A special paint has been developed to dampen mobile phone signals. It’s created by blending particles of copper that are inserted into nanotubes, and then mixing and suspending these tiny particles into a can of paint. Possible uses are for cinemas and, erm, somewhere else.

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