Bead promises to cut cell phone radiation

Of course cell phone radiation doesn't cause cancer. But hey, what could a little protection hurt?

Just in case you're concerned about the cell phone industry's assurance that radiation is no threat to your brain cells, a professor in Great Britain isn't waiting around for absolute proof.

Professor Lawrie Challis, chairman of the UK's mobile telecommunications and health research program, has found that attaching an iron bead to a cell phone's hands-free wire blocks radio waves from traveling up to the user's head, according to a BBC report. These are the same kinds of beads commonly used to stop interference in computers.

"They work by blocking the current, a bit like a block in a water pipe," Dr. Stuart Porter, of the department of electronics at the University of York, told the BBC.

Simplicity is indeed a virtue.

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