For people who cannot use their hands to control a computer, inventor Uday Parshionikar has a suggestion. Smile. Parshionikar, founder and CEO of Perceptive Devices LLC, has invented a device that ...

What if you had a mini, power-efficient computer that smiled at your when it was functioning properly, and frowned when something needed a tweak? It'd sure be better than your current troubleshooting ...

What exactly happens to your face when you smile spontaneously, and how does that affect how old you look? Computer scientists recorded the smiles of hundreds of people, thus creating the most ...