The total length of the bar represents both the total distance and the total time taken. The bar is divided into parts. Each part represents the speed as a distance per unit of time. The number of ...

It might sound like science fiction, but it’s pure physics. A new experiment has shown what Albert Einstein predicted over 60 years ago — objects moving near light speed appear oddly twisted or ...

An experiment has visualized a prediction about objects traveling at the speed of light known as the Terrell-Penrose effect, ...

Something struck NASA’s Stardust spacecraft at a speed that defied all expectations—an object moving at nearly 13,650 miles ...

Chris Impey receives funding from the National Science Foundation and the Hearst Foundation. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, ...