Some googling yields this discussion: http://physics.stackexchange.com/questions/101913/why-does-a-remote-car-key-work-when-held-to-your-head-body http://physi

Some googling yields this discussion: http://physics.stackexchange.com/questions/101913/why-does-a-remote-car-key-work-when-held-to-your-head-body http://physics.stackexchange.com/questions/101913/why-does-a...