We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. [Udo] hit upon the idea of pulsing a laser pointer and measuring the time of the ...

He concluded that light takes time to travel and we now know this is at a constant speed of 299,792,458 m/s. This clip is from the series Wonders of the Universe. This clip could be used as part ...

With billions of children around the world anxiously waiting for their presents, Father Christmas (or Santa) and his reindeer ...