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Energy & Green Tech

Research team sets new efficiency record for solar cell technology

A team of researchers from the National University of Singapore (NUS) has set a new record in the power conversion efficiency of solar cells made using perovskite and organic materials. This technological breakthrough paves ...

Robotics

How robots learn to hike

ETH Zurich researchers led by Marco Hutter developed a new control approach that enables a legged robot, called ANYmal, to move quickly and robustly over difficult terrain. Thanks to machine learning, the robot can combine ...

Automotive

New vehicles to be rated on how they make drivers stay alert

Two organizations that influence many Americans' automobile buying decisions will begin rating vehicles on how well they track behavior of motorists who use partially automated driver-assist systems.

Electronics & Semiconductors

A wafer-scale van der Waals dielectric based on an inorganic molecular crystal film

Van der Waals (vdW) dielectrics, materials with dielectric properties and affected by van der Waals forces, are commonly integrated within electronic devices, as they can help to preserve the properties of 2D semiconducting ...

Computer Sciences

A language for quantum computing

Time crystals. Microwaves. Diamonds. What do these three disparate things have in common?

Computer Sciences

How well do explanation methods for machine-learning models work?

Imagine a team of physicians using a neural network to detect cancer in mammogram images. Even if this machine-learning model seems to be performing well, it might be focusing on image features that are accidentally correlated ...

Engineering

Using 3D printing for alloy materials innovation

While millions of people around the world enjoy renewed mobility from hip and knee replacements, many don't realize that the materials used in such implants have basically stayed the same since the 1960s.

Computer Sciences

When should someone trust an AI assistant's predictions?

In a busy hospital, a radiologist is using an artificial intelligence system to help her diagnose medical conditions based on patients' X-ray images. Using the AI system can help her make faster diagnoses, but how does she ...

Electronics & Semiconductors

Reasserting US leadership in microelectronics

The global semiconductor shortage has grabbed headlines and caused a cascade of production bottlenecks that have driven up prices on all sorts of consumer goods, from refrigerators to SUVs. The chip shortage has thrown into ...