Tech
New device tells smiles from frowns — even through a mask
Most facial-recognition software has to see the whole face to work. The new type can reconstruct an entire expression from just viewing your cheeks.
Computing
More Stories in Computing
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ComputingExplainer: What is an algorithm?
These step-by-step instructions underlie social media, internet searches and other computer-based activities. But what are they exactly? We explain.
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TechA robot referee can really keep its ‘eye’ on the ball
Have you ever yelled at a referee for making a bad call? Technology has begun taking over some calls in an attempt to make sports fairer.
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MathHow math makes movies like Doctor Strange so otherworldly
In the 1970s, a mathematician introduced geometric patterns that he named fractals. Moviemakers are now using those patterns to create dazzling digital effects.
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ComputingComputer chips from carbon nanotubes, not silicon, mark a milestone
Silicon has been king of cutting-edge electronics. But that reign may soon end, with carbon nanotubes taking silicon’s place.
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TechAI can learn real-world skills by playing video games
Video games are helping AI systems work together and adapt to real-world situations.
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TechThis robot’s parts are helpless alone, but turn smart as they team up
In a new system called “particle robotics,” many small, simple helpless units can seemingly come to life and start moving when amassed into a team.
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ComputingNovel fabric could turn perspiration into power
Sweat cools people by evaporating. A teen now wants to use it to generate electricity as well.
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Science & SocietyYou can fight back against cyberattacks
Cyberattacks have cut power to a major city and delayed the delivery of medicine. Find out how experts combat such attacks and how to protect yourself.
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Science & SocietyThese scientists help rescue ‘broken’ digital art
Computer-based art is more fragile than you might think. Fortunately, computer science offers new ways to restore these digital creations.