Things You Thought You Knew – Why Size Matters
StarTalk Radio
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What if I Cover the Whole Car in Aluminium Foil?
Police use radar guns to measure speed by looking at change in frequency of microwave use. If your car absorbs all microwaves, the cop will have no signal back to them. What if I what if I cover the whole car in an aluminium foil? Well, the aliens will not be able to read your thoughts. You'll be safe. So, but if what you put there reflects them back, then it works in the favor of the cops.
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