Do you remember the TV show “Beyond 2000“? It was all about the future and how gadgets and computer devices would be changing the way we live and do things. Well, I came across this article on Sky’s Offbeat website.
They have invented tiny microchips the size of a piece of rise, that can be inplanted into your hand and they can be used to open doors, or locks or even your PC, simply by waving your hand in front of the device. It has a range of about 3 inches and emits a low radio frequency.
See the full article on this new technology.