What is the shortest length of time perceptible by humans?



Answers:
the time it takes a woman to spot "a bargain" in a clothes shop.
Apparently 3 seconds - we read about it just last week in German class! (Very random!) Some pschycologist called Pöppel worked it out!
the blink of an eye
About that.
Cinema film was produced to give 25 frames per second, to avoid flicker. so I guess it must be around that sort of timescale. so approx 0.04 of a second.
deci-second.
Split second !
it is around 25 frames per second, each cone and rod in the retina can detect around more but together to get a smooth picture its about 25 frames per second, when we get an adrenaline rush though its about 40 wich is why if your in a fight most things seem in slow motion and you can react much quicker to things
the length of time between the traffic light turning green and the taxi behind you honking its horn!

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