Consumer & Gadgets

Why do smoke alarms keep going off even when there's no smoke?

Editor's note: MVS Chandrashekhar is a professor of electrical engineering at the University of South Carolina. In this interview, he explains how smoke detectors work and why they sometimes sound an alarm for what seems ...

Security

Phishing ploy targets COVID-19 vaccine distribution effort

IBM security researchers say they have detected a cyberespionage effort using targeted phishing emails to try to collect vital information on the World Health Organization's initiative for distributing COVID-19 vaccine to ...

Business

EU files antitrust charges against Amazon over use of data

European Union regulators filed antitrust charges Tuesday against Amazon, accusing the e-commerce giant of using its access to data from companies that sell products on its platform to gain an unfair advantage over them.

Electronics & Semiconductors

Next-generation computer chip with two heads

EPFL engineers have developed a computer chip that combines two functions—logic operations and data storage—into a single architecture, paving the way to more efficient devices. Their technology is particularly promising ...

Electronics & Semiconductors

Boosting the capacity of supercapacitors

Carefully designed covalent organic frameworks could make supercapacitor electrodes that have a greater ability to store electric charge.

Software

TetGen 1.6 Release: new version of the successful mesh generator

Electromagnetic fields in magnetic resonance imaging, groundwater flows, charge carriers in semiconductors and numerous further spatially distributed physical processes have one thing in common: they can be modeled by means ...

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