News tagged with energy states

US carbon emissions in surprise drop

US emissions of carbon dioxide blamed for climate change fell in 2011 and have slipped to a 20-year low this year as the the world's largest economy uses more natural gas and less coal, data shows.

Aug 17, 2012
4.5 / 5 (13) 43

Indecisive quanta

(Phys.org)—In ytterbium nickel phosphide there is a quantum critical point between the ferromagnetic and non-magnetic states that was previously not thought possible.

Feb 27, 2013
4.8 / 5 (4) 0 | with audio podcast

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 ...

Apr 16, 2013
5 / 5 (5) 0 | with audio podcast