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21 hours ago | News
Scientists
at the Georgia Institute of Technology recently achieved a 17% increase
in boiling efficiency by using an acoustic field to enhance heat
transfer. The acoustic field does this by efficiently removing vapor
bubbles from the heated surface and suppressing the formation of an
insulating vapor film.
May 24 | News
Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells. The team reported that the folds resulted in a 47% increase in electricity generation.
May 24 | News
Doping may be a no-no for athletes, but researchers at the University of Florida say it was key in getting unprecedented power conversion efficiency from a new graphene solar cell created in their laboratory.
May 22 | News
Plans
to create the world's first carbon-neutral higher-speed locomotive were
unveiled this week by the Coalition for Sustainable Rail, which has the goal
of proving the viability of solid biofuel—torrefied biomass—and modern
steam locomotive technology. The first step in those plans is to break
the world speed record for steam trains.
May 21 | News
In
experiments with gamma rays in France, researchers have recently proven
that these extremely high-energy electromagnetic waves can be focused
by lenses like conventional light. This finding that gamma rays can be
refracted overturns a fundamental assumption of theoretical physics.
May 21 | News
Researchers at Massachusetts Institute of Technology are evaluating a system that efficiently eliminates nitrogen from the combustion process, delivering a pure stream of carbon dioxide after removing other combustion byproducts such as water and other gases.
May 18 | News
While many are focusing on atmospheric solutions to reduce greenhouse gases, some researchers are setting their sights on the ground—deep underground. Li Li, an assistant professor of energy and mineral engineering at Penn State University, is investigating geologic carbon sequestration as a way to reduce the amount of carbon dioxide in the atmosphere.
May 11 | News
Sandia National Laboratories and the U.S. Department of Energy have released a new tool to help utilities, developers, and regulators identify the energy storage options that best meet their needs. Partnering with DNV KEMA, Sandia is releasing Energy Storage Select, or ES-Select, software under a public license to the company.
May 9 | News
The just-completed NDCX-II, the second generation Neutralized Drift Compression Experiment at the Lawrence Berkeley National Laboratory, is an unusual special-purpose particle accelerator built by the U.S. Department of Energy's Heavy Ion Fusion Science Virtual National Laboratory. The accelerator is a compact machine designed to produce a high-quality, dense beam that can rapidly deliver a powerful punch to a solid target.
May 1 | News
In
a post-Solyndra, budget-constrained world, the transition to a
decarbonized energy system faces great hurdles. Overcoming these hurdles
will require smarter and more focused policies. Two Stanford writers
outline their visions in a pair of analyses.
