Engineering

These energy-packed batteries work well in extreme cold and heat

Engineers at the University of California San Diego have developed lithium-ion batteries that perform well at freezing cold and scorching hot temperatures, while packing a lot of energy. The researchers accomplished this ...

Energy & Green Tech

Japan issues power warning after quake hits supply

Japan's government warned on Tuesday of possible widespread electricity outages for Tokyo and its surrounding regions as power plants hit by last week's powerful earthquake struggled to meet surging demand caused by a cold ...

Engineering

Researchers snap first image of an 'electron ice'

More than 90 years ago, physicist Eugene Wigner predicted that at low densities and cold temperatures, electrons that usually zip through materials would freeze into place, forming an electron ice, or what has been dubbed ...

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