NewScientist The Last Word - Tag 'lock' details

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Why is that you can lock your car door from further away if you point the key fob to your head? A popular UK car show demonstrated that, if you own an automatic, electronic car key, it is possible to lock and unlock your vehicle from a greater distance if you point the key to your head as you press the button. Why is this?
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Categories: Transport.

Tags: car, lock, key.

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