Getting two for one: 'Bonus' electrons in germanium nanocrystals can lead to better solar cells
Researchers from FOM, the University of Amsterdam, the Delft University of Technology and the University of the Algarve have discovered that when light hits germanium nanocrystals, the crystals produce 'bonus ...
Gear technology helps lower cost of wave energy farming
A Swedish company has cracked the challenge of scaling up wave energy, with the help of technology from researchers at KTH Royal Institute of Technology.
Schwarzenegger calls for more effort to fight climate change
(AP)—Former California governor and Hollywood star Arnold Schwarzenegger is calling for more to be done to combat climate change, saying it is "the issue of our time."
Best of Last Week: Big Bang singularity, unlocking Earth's inner core and another problem with antibiotics
Semiconductor works better when hitched to graphene
Graphene – a one-atom-thick sheet of carbon with highly desirable electrical properties, flexibility and strength – shows great promise for future electronics, advanced solar cells, protective coatings ...
Michelson-Morley experiment for electrons: Quantum-information techniques used to explore fundamental physics
A new experiment conducted at the University of California at Berkeley used quantum information techniques for a precision test of a cornerstone principle of physics, namely Lorentz invariance. This precept ...
The power of light-matter coupling
A theoretical study shows that strong ties between light and organic matter at the nanoscale open the door to modifying these coupled systems' optical, electronic or chemical properties.
Why seashells' mineral forms differently in seawater
For almost a century, scientists have been puzzled by a process that is crucial to much of the life in Earth's oceans: Why does calcium carbonate, the tough material of seashells and corals, sometimes take ...
Video: Solar power from energy-harvesting trees
Scientists at VTT have developed a prototype of a tree that harvests solar energy from its surroundings - whether indoors or outdoors - stores it and turns it into electricity to power small devices such as mobile phones, ...
Planck mission explores the history of the universe
Hot gas, dust and magnetic fields mingle in a colorful swirl in this new map of our Milky Way galaxy. The image is part of a new and improved data set from Planck, a European Space Agency mission in which ...
China wind power capacity jumps to record high
China boosted its installed wind energy capacity last year to a record 19.81 million kilowatts as the world's biggest greenhouse gas emitter tries to switch its power grid to cleaner energy sources.
Utility poised to double solar rooftop capacity based on tests of inverter reliability
Inverter load rejection overvoltage (LRO) tests completed by the Energy Department's National Renewable Energy Laboratory as part of a cooperative research agreement with SolarCity have proven so successful that a testing ...
Hydropower completes greening of Norway
The Norwegian energy supply can be sustainable by 2030, according to new research. Politicians simply have to keep their promises.