Energy & Green Tech
In the pursuit of clean and renewable energy, hydrogen plays an important role. But a major challenge facing this transition is that the gas is explosive when mixed with air. For this reason, it is crucial to be able to detect ...
Nov 30, 2022
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Business
DoorDash is eliminating about 1,250 corporate jobs, or about 6% of its workforce, saying it hired too many people when delivery demand surged during the COVID-19 pandemic.
Nov 30, 2022
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Energy & Green Tech
High energy density lithium-ion (Li-ion) batteries are indispensable for powering electric and hybrid vehicles, next-generation electronics, and power grids. These Li-ion batteries contain high energy density cathodes based ...
Nov 30, 2022
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Engineering
Three-dimensional (3D) metal–plastic composite structures have widespread potential applicability in smart electronics, micro/nanosensing, internet-of-things (IoT) devices, and even quantum computing. Devices constructed ...
Nov 30, 2022
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Engineering
Material removal in the cutting process is regarded as a friction system with multiple input and output variables. The complexity of the cutting friction system is caused by the extreme conditions existing on the tool-chip ...
Nov 30, 2022
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Engineering
Soft, elastic semiconductors and circuits could advance wearable medical devices and other emerging technologies, but the high-performance electronics are difficult and expensive to manufacture. A Penn State-led research ...
Nov 30, 2022
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Automotive
Since its debut for the 2021 model year, the Toyota RAV4 Prime has served as a benchmark for what a small SUV with a plug-in hybrid powertrain can be. It's efficient, fast and nearly as practical as a regular RAV4. But now ...
Nov 30, 2022
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Consumer & Gadgets
Nearly three quarters of people over the age of 10 now own a mobile phone, potentially opening the way to broader internet use, the United Nations said Wednesday.
Nov 30, 2022
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Security
From torture and murder in the Netherlands and Serbia to an unprecedented web of corruption in Belgium, the Sky ECC investigation has shone a light into some of Europe's darkest corners.
Nov 30, 2022
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47
Hi Tech & Innovation
Barrelling down a motorway south of Stockholm in a 40-ton lorry and trailer, the driver keeps a careful eye on the road but, jarringly, no hands on the wheel.
Nov 30, 2022
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