04/05/2021

Computer Sciences

New machine-learning approach brings digital photos back to life

Every day, billions of photos and videos are posted to various social media applications. The problem with standard images taken by a smartphone or digital camera is that they only capture a scene from a specific point of ...

Security

Belgian government, parliament, colleges hit by cyberattack

The company providing internet services for Belgium's parliament, government agencies, universities and scientific institutions said Tuesday that its network was under cyberattack, with connections to several customers disrupted.

Electronics & Semiconductors

US pressing Taiwanese firms on semiconductors, Commerce chief says

The United States is pressuring Taiwanese semiconductor manufacturers to allocate some of their supply to American automakers grappling with a shortage of the crucial components, US Commerce Secretary Gina Raimondo said Tuesday.

Internet

Trump ban ruling marks defining moment for Facebook panel

Facebook's independent oversight board was gearing up Tuesday for a momentous decision on the platform's ban of former US president Donald Trump, as debate swirls on the role of social media in curbing hateful and abusive ...

Energy & Green Tech

Scientists report new synapse-like phototransistor

Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) developed a breakthrough in energy-efficient phototransistors. Such devices could eventually help computers process visual information ...

Energy & Green Tech

Closing in on state-of-the-art semiconductor solar cells

A synthetic approach that improves absorber layers in perovskite solar cells could help them achieve their full potential and draw closer to the performance of leading gallium arsenide devices.

Engineering

Modeling dynamic instability in tractors

Researchers at Tokyo University of Agriculture and Technology (TUAT) modeled the dynamic instability—the so-called 'power hop'—that can cause uncontrollable bouncing and damage tractors when they plow dry ground. The ...

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