Energy & Green Tech

Burned rice hulls could help batteries store more charge

A closer inspection of ash from burned rice hulls, the hard outer layer of rice grains, revealed a form of carbon that could nearly double the energy density of typical lithium-ion or sodium-ion batteries.

Electronics & Semiconductors

By tweaking materials, scientists create transistors that remember

A team of Johns Hopkins materials scientists made a surprising discovery that could change the way memory works in electronics. By tweaking the materials used in organic material-based logic switches called transistors, they ...

Electronics & Semiconductors

Battery-like computer memory keeps working above 1,000°F

Computer memory could one day withstand the blazing temperatures in fusion reactors, jet engines, geothermal wells and sweltering planets using a new solid-state memory device developed by a team of engineers led by the University ...

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