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Imaginary_Past777 t1_iu4iq8l wrote

TIL... Depending on the type of racing, all three amber lights will flash simultaneously, followed four-tenths of a second later by the green light (a Pro Tree), or the three bulbs will flash consecutively five-tenths of a second apart, followed five-tenths later by the green light (a Sportsman, or full, Tree)

Still though. Thats incredibly fast. Also I saw the op article originally posted and there is a lot to it. Light travels faster than sound. The brains processing time. The speed of electricity to activate muscles. Some people can truly process faster and some top tier athletes actually have to train themselves to wait the full .1 which is ridiculous.

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