20/07/2009

Coupling of Single Quantum Dots to Smooth Metal Films

Scientists at Argonne National Laboratory's CNM Nanophotonics Group have measured how light emission from individual colloidal semiconductor nanocrystals, or quantum dots, is modified when in proximity to smooth metal films. ...

Nortel strikes deal to sell business unit to Avaya

Canadian telecom equipment maker Nortel said Monday it reached a deal to sell its enterprise solutions business to US-based Avaya for 475 million dollars pending approval of a bankruptcy court.

Team shows how evolution can allow for large developmental leaps

How evolution acts to bridge the chasm between two discrete physiological states is a question that's long puzzled scientists. Most evolutionary changes, after all, happen in tiny increments: an elephant grows a little larger, ...

Smart clothes for better healthcare (w/ Video)

(PhysOrg.com) -- Comfortable smart clothes that monitor the wearer’s heart, breathing and body temperature promise to revolutionise healthcare by reducing hospital visits and allowing patients to lead more active lives.

Toyota Plants Giant Solar-Powered Flowers Across US Cities

(PhysOrg.com) -- As part of Toyota's national marketing campaign for the third generation Prius launch in 2010, the company is "planting" giant solar-powered flowers in urban areas. The flowers generate electricity and provide ...

Spacewalk No. 2 unfolds on 40th moon anniversary

(AP) -- The astronauts aboard the shuttle-station complex celebrated the 40th anniversary of man's first moon landing with their own spacewalk Monday, heading outside to stockpile some big spare parts.

Science adopts a new definition of seawater

The world's peak ocean science body has adopted a new definition of seawater developed by Australian, German and US scientists to make climate projections more accurate.

Scientists discovers 'firework' display in Helix Nebula

(PhysOrg.com) -- A star does not die without getting noticed and may even leave the universe with "fireworks." At the end of its life cycle, a star begins to collapse in the middle and throws new material into space. The ...

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