The speed of light is almost unimaginably fast. Humans have never been able to truly see it in real-time. Until now. This team of scientists built a camera that is capable of recording the speed of light. You won’t believe how they did it.
Stop robocalls for good with Kim’s new eBook
Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.