Why does holding a key fob to your head increase its range?
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Why does holding a key fob to your head increase its range?
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Re: Why does holding a key fob to your head increase its range?
#2your skull acts as an antenna
Re: Why does holding a key fob to your head increase its range?
#3your skull acts as an antenna
anybody's head range increases by holding anything to it...101 physics
Re: Why does holding a key fob to your head increase its range?
#4top gear (UK) demonstrating this in practice (potato video quality) https://www.youtube.com/watch?v=_jACSPipPSE
Re: Why does holding a key fob to your head increase its range?
#5I’ve found it helps to hold my key with both hands.
Re: Why does holding a key fob to your head increase its range?
#6It also works holding it near your torso, don't have to use your head.
Although, the joke you tell your friends is that it only works if they open their mouth and stick out their tongue like a satellite dish.
The fact that it works next to your torso made me think it was just a matter of bouncing half the radio emissions towards the vehicle, thus doubling the signal. Just like someone holding an omni-directional campaign lamp close to their body increases the light headed in a certain directions.
Re: Why does holding a key fob to your head increase its range?
#7I am disappointed to see no mention of "passive radiator" nor "parasitic element" on that page anywhere: https://en.wikipedia.org/wiki/Driven_and_parasitic_elements#...
Re: Why does holding a key fob to your head increase its range?
#8My ex-girlfriend used to do this back in our teens, and I used to think she was crazy... until I started to do it. Blew my mind.
Re: Why does holding a key fob to your head increase its range?
#9[deleted]
Re: Why does holding a key fob to your head increase its range?
#10In the movie LalaLand, they mention that this is dangerous (causing diseases). Is that true?