Energy & Green Tech

Temperature heals lithium dendrites

Rechargeable lithium-ion, the dominant battery technology for portable electronics, is increasingly becoming the battery of choice for electric-vehicle and electric-grid energy-storage applications.


Robot takes cues from spider that can walk and roll

Once again, we get visual proof that it pays to check out Nature's outstanding engineering tricks in order to work up interesting machines that behave in innovative ways—for machines, that is.