This alarm chin trick thing is the same thing as why when you grab your TV antenna the reception sometimes improves.
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Originally posted by orphen
Thanks sapper.. i was thinking along the same line (the atenna) but thanks for explaining in detail. Now the question is if it 's bad for you.. lol pointing that right into your chin might kill some brain cells?
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As for whether this harms you I say no way because the transmitting power and frequency of the alarm transmitter is small (100 ft. range approx.), especially compared to cell phones. When you get up to frequencies like 800+ MHz, which cell phones use, the signal can penetrate and the molecules in your brain can actually kind of vibrate causing them to heat up and potentially cause damage.