The browser you are using is no longer supported on this site. It is highly recommended that you use the latest versions of a supported browser in order to receive an optimal viewing experience. The ...

In this video, Ash Marlow explains a simple magic trick where a coin appears to vanish and then return. The method uses a small piece of double-sided tape placed on the back of the hand. By tossing ...

There are many approaches to pricing. These include cost-based, going-rate, target profit, cost-plus, and break-even approaches. When you think about it, all of these approaches to pricing a product ...

MILAN (AP) — Jordan Cowan hoists his camera mount and glides across the Olympic rink as figure skating competitors warm up and, later, take their bows. Dressed in an ice-white tuxedo, he is as ...

Waveguide-enhanced Raman spectroscopy utilizes electromagnetic enhancements at waveguide surfaces to improve Raman signal intensity. This Primer discusses laser selection, waveguide design, light ...

Karen Newton was in America on the trip of a lifetime when she was shackled, transported and held for weeks on end. With tourism to the US under increasing strain, she says, ‘If it can happen to me, ...