Archive: 11/11/2013

Laser diodes versus LEDs

Solid-state lighting based on light-emitting diodes (LEDs) is the most efficient source of high color quality white light. Nevertheless, they show significant performance limitations such as the "efficiency ...

Nov 11, 2013
4.8 / 5 (4) 0

UN climate talks open amid 'sobering' typhoon

Nations launched a new round of talks Monday for a 2015 deal to cut Earth-warming greenhouse gas emissions in the aftermath of a deadly Philippines typhoon the UN's climate chief labelled "sobering".

Nov 11, 2013
2.5 / 5 (2) 0

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