Building quantum states with individual silicon atoms
(Phys.org) —By introducing individual silicon atom 'defects' using a scanning tunnelling microscope, scientists at the London Centre for Nanotechnology have coupled single atoms to form quantum states.
Obama launches measures to support solar energy in US
The White House Thursday announced a series of measures aimed at increasing solar energy production in the United States, particularly by encouraging the installation of solar panels in public spaces.
Highly charged ions: Multiply-ionized atoms for clocks, qubits, and constants
The world is mostly neutral. That is, most of the atoms in our environment are electrically neutral. The number of electrons in the outer parts of atoms equals the number of protons at the centers of atoms. ...
A painless way to achieve huge energy savings: Stop wasting food
Scientists have identified a way that the United States could immediately save the energy equivalent of about 350 million barrels of oil a year — without spending a penny or putting a ding in the quality of life: Just stop ...
Applying lessons learned from one of the biggest blackouts in history
(Phys.org) —On a warm afternoon in August 2003, in rural Ohio, a high-voltage power line brushed against some untrimmed tree limbs. The action tripped a relay that immediately shut off the power it was ...
China, Germany move ahead on clean energy: study
Germany has outpaced the United States as the number two player in clean energy while China keeps racing ahead as the world's green investment leader, a study said Tuesday.
Half of greenhouse gases 'emitted by five nations'
More than half of all carbon pollution released into the atmosphere comes from five countries, according to a national ranking of greenhouse gas emissions released Thursday.
US and Spain discuss cleanup of nuclear radiation
The United States is offering technical assistance to Spain to clean up land contaminated by radiation from undetonated nuclear bombs that accidentally fell on the area in 1966, the US State Department announced ...
Team demonstrates quantum dots that assemble themselves
(Phys.org) —Scientists from the U.S. Department of Energy's National Renewable Energy Laboratory and other labs have demonstrated a process whereby quantum dots can self-assemble at optimal locations in nanowires, a breakthrough ...
New research findings open door to zinc-oxide-based UV lasers, LED devices
(Phys.org) —Researchers from North Carolina State University have solved a long-standing materials science problem, making it possible to create new semiconductor devices using zinc oxide (ZnO) – including efficient ultraviolet ...
Obama to launch clean energy initiative in India
US President Barack Obama and India are expected to launch a joint initiative on clean energy, eyeing economic opportunities in an area that has long divided the two countries.
Chu: New materials could be transformative
In a talk rich with historical examples, U.S. Secretary of Energy Steven Chu made a strong case Wednesday that the right policies and concerted efforts by the nations engineers and scientists could once ...
Hydrothermal liquefaction—most promising path to sustainable bio-oil production
A new generation of the HTL process can convert all kinds of biomasses to crude bio-oil, which is sufficiently similar to fossil crude oil that a simple thermal upgrade and existing refinery technology can ...
Britain best in energy efficiency as US lags: report
Britain is a champion of energy efficiency while the United States and Canada lag behind in conserving power, according to a new report released Thursday.