Engineering
Here's how to build a whirligig: Thread a loop of twine through two holes in a button. Grab the loop ends, then rhythmically pull. As the twine coils and uncoils, the button spins at a dizzying speed.
Jan 10, 2017
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1905
Computer Sciences
How would you feel about getting therapy from a robot? Emotionally intelligent machines may not be as far away as it seems. Over the last few decades, artificial intelligence (AI) have got increasingly good at reading emotional ...
Jan 10, 2017
1
21
Engineering
Mobile phones and computers use electromagnetic waves to send and receive information—they're what enable our devices to upload photos and download apps. But there is only a limited amount of bandwidth available on the ...
Jan 10, 2017
0
34
Consumer & Gadgets
(Tech Xplore)—Shopping for clothes and groceries, finding a seat on the train: some of the many tasks we take for granted unless we are among the blind and low vision people who would like to lead more independent lives.
