Energy & Green Tech

Why aren't there electric airplanes yet?

As electric cars and trucks appear increasingly on U.S. highways, it raises the question: When will commercially viable electric vehicles take to the skies? There are a number of ambitious efforts to build electric-powered ...

Energy & Green Tech

A paper battery powered by bacteria

In remote areas of the world or in regions with limited resources, everyday items like electrical outlets and batteries are luxuries. Health care workers in these areas often lack electricity to power diagnostic devices, ...

Energy & Green Tech

Tesla's enormous battery amazes in quick outage response

Tesla Motors' grid storage battery in South Australia, switched on at just the beginning of December, has already shown it is up to the job of serving as a backup system in South Australia. Its quick response is the stuff ...

Energy & Green Tech

UK grid power balance to get support from 10MW battery

(Tech Xplore)—A battery installation at a UK biomass power plant is making news this month. Supporters call it an important recognition of the "enormous potential for battery solutions" in the UK. The company is E.ON. The ...

Energy & Green Tech

Saliva-powered battery could be helpful in extreme conditions

Researchers at Binghamton University, State University of New York have developed the next step in microbial fuel cells (MFCs): a battery activated by spit that can be used in extreme conditions where normal batteries don't ...

Engineering

Internet of things sensors could connect via ambient radio waves

Internet of things (IoT) systems usually link networks of sensors via radio, but radios demand battery power thus limiting usability. Disney Research has determined that one solution may be to get rid of the radios all together ...

Engineering

Pioneering chip extends sensors' battery life

A low-cost chip that enables batteries in sensors to last longer, in some cases by over ten times, has been developed by engineers from the University of Bristol.

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