Having students make hand gestures connected to what they’re learning can help them remember new information, including vocabulary. But there are some important caveats. When I was researching a book ...

[B. Aswinth Raj] wanted to control a VLC player with hand gestures. He turned to two common ultrasonic sensors and Python to do the job. There is also, of course, an Arduino. You can see a video of ...

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How do you signal to a waiter, across a crowded restaurant, you want the check or bill? How do you signal that the person you’re addressing should phone you? How do tell another motorist, at the ...

Researchers are developing a new technology that uses hand gestures to carry out commands on computers. Researchers are developing a new technology that uses hand gestures to carry out commands on ...

Apple announced a new Double Tap feature during the unveiling of the Apple Watch Series 9, but you'll find that a similar gesture exists on older Apple Watches. Here's what to look for. Nelson Aguilar ...