James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Ryan Duncan froze. He had just performed a new experiment examining common graphite—the stuff of pencil lead—but the results seemed physically impossible: Heat, which typically disperses slowly, had ...

Scientists from Queen Mary University of London, the University of Cambridge, and the Institute for High Pressure Physics in Troitsk have discovered the fastest possible speed of sound. The upper ...

A U.S. Navy stealth ship is getting a major upgrade: USS Zumwalt is currently being fitted with an experimental hypersonic weapon system called Conventional Prompt Strike. Hypersonic weapons travel at ...

Lower-pitched sounds travel more slowly on Mars than higher-pitched ones, according to new data from NASA's Perseverance rover. When you purchase through links on our site, we may earn an affiliate ...

IN a Chicago laboratory a test tube full of water containing a squirming goldfish was placed for half a minute in a device which produces silent sound waves, pitched far beyond the topmost notes of a ...

Although few people ever get the chance to travel at the speed of sound, it is an alluring flight goal and an impressive technological feat. Though average people have flown at high speeds on ...

The universal speed limit of any kind of wave – be it electromagnetic or gravitational – travelling through a vacuum has been known since Albert Einstein developed his theory of special relativity in ...

The acoustic properties of an ultracold fermion gas have been measured either side of the superfluid transition temperature in an experiment that has been described as “near perfect” and “beautiful”.

Editor’s Note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get the latest news in aviation, food and drink, where to stay and other travel developments. Savior of many a cramped ...