Quote:
Originally Posted by ragingSPAM
just as an fyi, on F1 cars the light on the back doesn't actually flash, its a static light thats constantly on. The reason behind why you see it flash on TV/videos of F1 cars is due to the fact of how LED's work and that they have a 'refresh' rate like a tv/monitor. LED lights are technically flashing so fast that it looks like a constant light where in reality they are actually blinking. Most video cameras will capture footage which is usually slower frames per second than the refresh rate so it simulates the lights flickering/flashing. Same reason why people think the Bugatti Veyron tail lights flashed in videos online.
If you record video of LED lights (for example an Audi LED DRL or Lexus LED's or Merc LED DRL's and you move the camera around a bit, during playback the lights will look like they are flashing.
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Totally agree with you in terms of the LED, but I have seen F1 cars in the flesh and the rear lights do flash. They flash because it's proven the human eye reacts faster to a flashing light verses a solid one and it's required at the speeds they are doing.