Consumer & Gadgets

An edible QR code takes a shot at fake whiskey

In the future, when you order a shot of whiskey, you might ask the bartender to hold an edible fluorescent silk tag that could be found floating inside—even though it is safe to consume.

Consumer & Gadgets

Tracking sleep with a self-powering smart pillow

The human body needs sleep as much as it needs food and water. Yet many people fail to get enough, causing both mind and body to suffer. People who struggle for shut-eye could benefit from monitoring their sleep, but they ...

Consumer & Gadgets

Your eyes can control your smartphone via new gaze-tracking tool

As more people watch movies, edit video, read the news and keep up with social media on their smartphones, these devices have grown to accommodate the bigger screens and higher processing power needed for more demanding activities.

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