Engineering

Black silicon UV responses exceed 130% efficiency

"For the first time ever, we have direct experimental evidence that an external quantum efficiency above 100% is possible in a single photodiode without any external antireflection," says Hele Savin, associate professor of ...

Engineering

Coffee stains inspire optimal printing technique for electronics

Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics—the coffee ring effect. This effect has hindered the industrial deployment of functional inks ...

Business

Ex-Google engineer Levandowski's jump to Uber ends in prison

Autonomous driving engineer Anthony Levandowski was ordered to spend 18 months prison for stealing trade secrets from Google as he defected to Uber Technologies Inc., in one of the highest-profile criminal cases to hit Silicon ...

Energy & Green Tech

Searching for the secret to more efficient solar cells

The search for the perfect solar cell is not yet over. Norwegian researchers are now adopting a new approach to the cells' raw material, crystalline silicon, with the aim of making the electricity-generating cells even more ...

Energy & Green Tech

Research points to strategies for recycling of solar panels

Researchers at the National Renewable Energy Laboratory (NREL) have conducted the first global assessment into the most promising approaches to end-of-life management for solar photovoltaic (PV) modules.

Business

SoftBank to sell $21 billion in T-Mobile shares

Japanese tech investment behemoth SoftBank Group said Tuesday it will sell T-Mobile shares worth over $21 billion as it sheds assets to shore up its financial health.

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