During our hurried supermarket sweeps, we're aiming for the Granny Smith, yet somehow always come away with French Jonagold. That's why we're in awe of this new supermarket scanner from Toshiba-Tech that can identify individual species of fruit and veg from sight. Rather than a cashier keying in a produce code, a camera with optical pattern recognition technology filters out "visual noise" before identifying the genus of your apple by shape, surface pattern and coloration. It's also
