IT may sound like sci-fi, but hundreds of Australians are turning themselves into super-humans who can unlock doors, turn on lights and log into computers with a wave of the hand. Shanti Korporaal, from Sydney, is at the centre of the phenomenon after having two implants inserted under her skin. Now she can get into work and her car without carrying a card or keys, and says her ultimate goal is to completely do away with her wallet and cards. "You could set up your life so you never have to worry about any password or PINs" she told news.com.au. "It's the same technology as Paypass, so I'm hoping you'll be able to pay for things with it. "With Opal you get a unique identification number that could be programmed into the chip. Any door with a swipe card ... it could open your computer, photocopier. Loyalty cards for shops are just another thing for your wallet." The microchips, which are the size of a grain of rice, can act like a business card and transfer contact details to