A series of new animations by a NASA scientist show just how zippy — and also how torturously slow — the speed of light can be. Light speed is the fastest that any material object can travel ...

As you approach the speed of light, space and time begin to warp in ways that defy everyday logic. According to Einstein’s theory of relativity, time slows down dramatically for fast-moving objects - ...

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 ...