Engineering
Researchers have found a way to convert heat energy into electricity with a nontoxic material. The material is mostly iron, which is extremely cheap given its relative abundance. A generator based on this material could power ...
Apr 27, 2020
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107
Engineering
A team led by the University of Illinois at Urbana-Champaign's Grainger College of Engineering and Carle Health has produced a prototype emergency ventilator to help address the expected surge in the need for respiratory ...
Mar 30, 2020
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159
Internet
Understanding what makes something harmful or offensive can be hard enough for humans, never mind artificial intelligence systems.
Jul 7, 2020
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10
Engineering
An ultrathin coating developed by University of Wisconsin-Madison engineers upends a ubiquitous physics phenomenon of materials related to thermal radiation: The hotter an object gets, the brighter it glows.
Dec 18, 2019
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11
Computer Sciences
In January 2017, Reddit users read about an alleged case of terrorism in a Spanish supermarket. What they didn't know was that nearly every detail of the stories, taken from several tabloid publications and amplified by Reddit's ...
Aug 2, 2023
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7
Internet
As social animals, humans communicate with and influence one another by leaving digital traces on the Internet, particularly by using star rating systems on collaborative platforms. Many e-commerce sites use this technique ...
Oct 11, 2023
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4
Security
A leading Egyptian opposition politician was targeted with spyware multiple times after announcing a presidential bid—including with malware that automatically infects smartphones, security researchers have found. They ...
Sep 24, 2023
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13
Security
European politicians and media groups voiced outrage Monday over reports that an Israeli firm supplied phone malware used by governments to spy on activists, journalists, lawyers and politicians in several countries.
Jul 19, 2021
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5
Energy & Green Tech
California regulators on Tuesday strengthened a proposed first-in-the-nation rule that would force auto makers to sell more electric delivery vans and work trucks in a state with the country's worst air quality.
Apr 29, 2020
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4
Internet
Right-wing extremists called for open revolt against the U.S. government for months on social media following the election in November. Behind the scenes on private messaging services, many of them recruited new followers, ...
Jan 25, 2021
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