Energy & Green Tech

Something from nothing: Using waste heat to power electronics

Collecting energy from environmental waste heat such as that lost from the human body is an attractive prospect to power small electronics sustainably. A thermocell is a type of energy-harvesting device that converts environmental ...

Energy & Green Tech

Scientists develop novel biophotovoltaics system

Researchers from the Institute of Microbiology of the Chinese Academy of Sciences have reported a novel biophotovoltaics (BPV) system based on a synthetic microbial consortium with constrained electron flow. This BPV system ...

Energy & Green Tech

Good news for rooftop solar, not for home batteries

The energy produced over the lifetime of typical rooftop solar panels more than makes up for the energy it takes to make, mount and then eventually recycle them. But adding a home battery usually lowers those dividends, according ...

Electronics & Semiconductors

Fujitsu triples the output power of gallium-nitride transistors

Fujitsu Limited and Fujitsu Laboratories Ltd. today announced that they have developed a crystal structure that both increases current and voltage in gallium-nitride (GaN) high electron mobility transistors (HEMT), effectively ...

Electronics & Semiconductors

Invention reduces cost of manufacturing quick-charging devices

In the course of the transition to e-mobility, range and charging times are becoming increasingly important for more and more people. That's why possibilities for faster charging are of ever-greater interest. Quick charging ...

Energy & Green Tech

Q&A: Three things to know about a sustainable energy breakthrough

Sustainable energy generation solutions such as wind, solar, and hydroelectric have long presented enticing alternatives to fossil fuels. However, several factors, including the intermittent nature of these sources and their ...

Energy & Green Tech

Portugal bets all on renewables after abandoning coal

As the UN steps up calls to make the switch to renewable energy to fight the global climate emergency, Portugal is among the first European Union countries to abandon coal.

Automotive

US auto factories swung back into gear in October: govt

American car assembly lines roared back into action last month, according to official data released Tuesday, a sign the effects of the global semiconductor shortage that has hobbled production may be ending.

Energy & Green Tech

Scientists explore optimal shapes of thermal energy storage

Scientists from Far Eastern Federal University (FEFU), and the Institute of Automation and Control Processes of the Far Eastern Branch of the Russian Academy of Sciences (IACP FEB RAS) have studied a correlation between the ...

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