Lightning is a powerful and seemingly mysterious force of nature, capable of releasing huge amounts of energy over relatively short times and striking almost at random. Lightning obeys the laws of ...

Although there are now a number of skin-worn sensors which identify metabolites in sweat, the technology is limited in what it can detect, plus the sensors often aren't reusable. A new one, however, ...

Self-aware: this white piece of foam is being bent as part of its training regimen. (Courtesy: Cornell University) Elastic foams that can detect deformities in their shape have been created by ...