But this week, researchers described a lithium-sulfur battery that still has over 80 percent of its original capacity after ...

A robot vacuum can cost a pretty penny, so it's important to follow these steps and get the best performance and longest ...

The first bicycle pump was invented around 1887. It featured a simple hand-operated design consisting of a cylindrical tube ...

However, hybrid cars have only been viable since the first Toyota Prius in 1997. (Automotive experts can pedantically point ...