News tagged with x-ray

Taking a close look, whatever the scale

Following the 50 km/h crash test, all that was left of the car was a heap of metal – one that contains valuable information on how vehicle safety could be improved. But the only way engineers can get at ...

Oct 24, 2013 not rated yet 0

Why lithium-ion-batteries fail

Materials in lithium ion battery electrodes expand and contract during charge and discharge. These volume changes drive particle fracture, which shortens battery lifetime. A group of ETH scientists together ...

Oct 17, 2013 4.6 / 5 (24) 0 | with audio podcast