ELi5 Why can flys see you coming a mile off when you try to swat them…but they can never seem to find their way back out of an open door?
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Because you fell into the trap of thinking like a human. Flys don’t have eyes like we do. They don’t depend on vision like we do. They are sensitive to changes in micro air currents and fly according to what they feel. The distance between their wings and their brains is shorter than the distance between our hands and our brains and therefore they are able to react more quickly than us. So they can outmaneuver you in air to air combat but a gusty door is an impenetrable wall to them.
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