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 ...

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[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 ...

Making simple up and down hand movements while speaking may influence the way people hear what you are saying. We often use meaningless movements, such as flicking or waving our hands, known as beat ...

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 ...