Light bulbs can turn electricity into light (and a bit of heat) – an expert explains how they do it.
When it was released 15 years ago, Mel Gibson's 'Passion of the Christ,' was a box-office success. The theme of Jesus has been a successful one that many filmmakers around the globe have cashed in on.
With its strange bluish glow and cancer-killing qualities, meet the wundermetal that became one of the great cautionary tales of modern times.
One of America's favourite sons is slowly losing his reputation, and he might just deserve it.
Scientist Nikola Tesla died 75 years ago, after a rags-to-riches to rags life. The eccentric inventor had an amazing intellect and set the stage for many modern technologies.
High energy, high power and endless life cycles: not all batteries are created equal.