Chris experiments with banknotes from around the world that glow under UV light, revealing their hidden security features. He ...

Once the hallmark of bikers, sailors, and general riff-raff, tattoos have become far more mainstream, decorating the bodies ...

The ink could be useful for medical tattooing, but more tests are needed before it is widely available.

The real thing: Illustration of Nathan Cohen with resulting example graphs from FRACTAL's foundational invisibility cloak. FRACTAL invented the invisibility cloak, and later cloaked the first human in ...

Nathan Cohen, Ph.D., inventor of the electromagnetic invisibility cloak and founder of Fractal Antenna Systems, Inc. (FRACTAL), has produced a new scientific analysis of the famous 2006 cloaking ...

A British company says it is getting close to creating a real-life invisibility cloak from Harry Potter. London-based Invisibility Shield Co. claims its portable barriers can hide a whole person. The ...

A British company says it is getting close to creating a real-life invisibility cloak from Harry Potter. ...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH ...

Add Yahoo as a preferred source to see more of our stories on Google. A company from London, UK, says it is getting closer to creating a real-life "invisibility cloak" similar to the one featured in ...

A company from London, UK, says it is getting closer to creating a real-life “invisibility cloak” similar to the one featured in Harry Potter. Invisibility Shield Co. has developed material using ...