By G9ija

Holding a remote car key next to your head increases its range because the water in your brain acts as an amplifier.

Although it sounds absolutely bonkers when you first hear it (and actually it sounds just as crazy even after you do some research on it), this actually works. And for good reason, too: The oral cavity and fluids in your skull do some kind of crazy wizardry to the remote signal when you’re holding the key fob to your chin. It’s kind of like the reason why those ancient “rabbit ear” TV antennas gave you better reception when you were touching them.

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