Your remote car-door opener will not reach your car from across the parking lot? Touch the metal key part of your key fob to your chin and hold it there as you push the Unlock button. The trick turns your head into an antenna, said Tim Pozar, a Silicon Valley radio engineer.
“You are capacitively coupling the fob to your head,” he said. “With all the fluids in your head it ends up being a nice conductor. Not a great one, but it works.
Low-tech fixes for high-tech failures – International Herald Tribune
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