Energy & Green Tech

Taking lithium-ion batteries to new extremes

Just like Goldilocks and her proverbial porridge, lithium-ion batteries (LIBs) perform best when the temperature range is just right—that is, neither too hot nor too cold. But this is a huge limiting factor when it comes ...

Security

BitWhisper turns up heat on air-gap security

Ben Gurion University reported Monday that researcher Mordechai Guri, assisted by Matan Munitz and guided by Prof. Yuval Elovici, uncovered a way to breach air-gapped systems—that's quite something considering that air-gapped ...

Energy & Green Tech

New material paves the way to on-chip energy harvesting

Researchers from Germany, Italy, and the UK have achieved a major advance in the development of materials suitable for on-chip energy harvesting. By composing an alloy made of silicon, germanium and tin, they were able to ...

Engineering

New fabric makes urban heat islands more bearable

This year has already seen massive heat waves around the globe, with cities in Mexico, India, Pakistan and Oman hitting temperatures near or past 50 degrees Celsius (122 degrees Fahrenheit).

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