Introducing... the invisible Mercedes?!

Various types of technology can be used to help make vehicles greener and save at the fuel pump. Typically, though, most people tend to think only about electric vehicles or hybrids when it comes to green car technology.

'Invisible' planet detected

Astronomers have for the first time discovered a previously unknown exoplanet through its effects on another planet in the system.

Tank disguised by infra-red cloak

BAE Systems has tested an invisibility cloak that allows a vehicle to blend into its surroundings in the infra-red and other frequencies.

Anyone for an invisible keyboard?

So, how good are your keyboard skills? An Israeli start-up reckons there's enough touch-typists out there to justify launching an invisible virtual keyboard.