News tagged with particles

Scientists unlock a 'microbial Pompeii'

An international team of researchers have discovered a 'microbial Pompeii' preserved on the teeth of skeletons around 1,000 years old. The key to the discovery is the dental calculus (plaque) which preserves bacteria and ...

Feb 23, 2014 4.9 / 5 (9) 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

Self-steering particles go with the flow

MIT chemical engineers have designed tiny particles that can "steer" themselves along preprogrammed trajectories and align themselves to flow through the center of a microchannel, making it possible to control ...

Nov 11, 2013 4.3 / 5 (3) 0 | with audio podcast