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Joined 1 year ago
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Cake day: September 7th, 2024

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  • Let’s break it down…

    The distance, between the traffic light and the cab driver, should be approximately 10 meters.

    The time light needs to reach the cab driver’s eyes is:

    D ÷ c = 10 ÷ 299,792,458 = 0.0000000333… seconds = 0.0000333… milliseconds

    The distance between the cab’s horn and your ears, should be approximately 5 meters.

    The time needed for the cab’s honk sound, to reach our ears is:

    D ÷ u = 5 ÷ 295 = 0.0169491525 seconds = 16.9491525 milliseconds

    If the cab driver had a reaction time of zero, it would still take 16 milliseconds for us, to hear their honk.

    The conclusion is that cab drivers have a negative reaction time, so that they can honk before the light turns green, breaking causality.