Communications of the ACM
Blinding the Watchman
Internet constellations could thwart killer asteroid discovery algorithms.
From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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Exotic Optics: Metamaterial World
Tom Driscoll would be happy if he never heard the phrase "Harry Potter-style invisibility cloak" again.
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Father's Genetic Quest Pays Off
Hugh Rienhoff says that his nine-year-old daughter, Bea, is "a fire cracker", "a tomboy" and "a very sassy, impudent girl". But in a forthcoming research paper,...
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Drones in Science: Fly, and Bring Me Data
The Tempest—wingspan 3.2 metres, cruising speed 75 knots—was designed to fly into severe storms.
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Computer Memory Can Be Read with a Flash of Light
Modern computer-memory technologies come with a trade-off. There is speedy but short-term storage for on-the-fly processing—random-access memory, or RAM—and slow...
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Neuroprosthetics: Once More, With Feeling
Sitting motionless in her wheelchair, paralysed from the neck down by a stroke, Cathy Hutchinson seems to take no notice of the cable rising from the top of her...
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Mind-Controlled Robot Arms Show Promise
Two people who are unable to move their limbs have been able to guide a robot arm to reach and grasp objects using only their brain activity, a paper in Nature ...
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