How come my husband can only wink with one eye? asks a reader. Blinking bathes our eyes in fluid, washing away dust and keeping them moist. Winking is social, underlining shared opinions, attraction, ...

Researchers from the Ecole Polytechnique Federale de Lausanne (EPFL) in Switzerland have developed contact lenses that have tiny telescopic lenses built in to boost vision. Controlled by smart glasses ...

Those of us who have yet to lay hands or eyes on anything but images of Google Glass are prone to daydreaming about how we’ll actually interact with the device. We know there are buttons, a tiny ...

Perhaps once thought of as an act of solidarity, kindness or subtle flirtation, winking has become a kind of pervy gesture. Just try winking at someone the next time you walk down the street. But ...

Swiss researchers have created a high-tech contact lens that gives wearers a telescopic view of the world, and paired it with smart glasses that can adjust the view with a simple wink. But it's not ...