New inexpensive, environmentally friendly solar cell shines with potential
(Phys.org) -- The limitations of conventional and current solar cells include high production cost, low operating efficiency and durability, and many cells rely on toxic and scarce materials. Northwestern University researchers ...
Stanford engineers perfecting carbon nanotubes for highly energy-efficient computing
Carbon nanotubes represent a significant departure from traditional silicon technologies and offer a promising path to solving the challenge of energy efficiency in computer circuits, but they aren't without ...
Printed photonic crystal mirrors shrink on-chip lasers down to size
(Phys.org) -- Electrical engineers at The University of Texas at Arlington and at the University of Wisconsin-Madison have devised a new laser for on-chip optical connections that could give computers a huge ...
World set to heat up despite clean-energy efforts, IEA warns
Global warming is set to heat up with temperatures rising to nearly twice targets set by the United Nations, the International Energy Agency warned on Tuesday.
World record solar cell with 44.7% efficiency
German Fraunhofer Institute for Solar Energy Systems, Soitec, CEA-Leti and the Helmholtz Center Berlin announced today that they have achieved a new world record for the conversion of sunlight into electricity ...
Wireless device converts 'lost' energy into electric power
Using inexpensive materials configured and tuned to capture microwave signals, researchers at Duke University's Pratt School of Engineering have designed a power-harvesting device with efficiency similar ...
V3Solar photovoltaic Spin Cell generates 20 times more electricity per cell than flat panels
Australian scientists report breakthrough in solar cell efficiency
(Phys.org) -- Low cost solar cells suitable for rooftop panels could reach a record-breaking 40 percent efficiency following an early stage breakthrough by a University of Sydney researcher and his German ...
Team unveils foldable micro electric car, Armadillo-T (w/ Video)
Looking for a parking space for hours at a busy shopping mall or being stuck on roads jammed with cars releasing large amounts of carbon dioxide are all-too-familiar scenes for city dwellers.
Cleaner and greener cities with integrated transparent solar cells
Imagine buildings in which the windows allow the sun's light to enter, and at the same time capture the energy from the sun needed to meet all their energy needs. In this seemingly futuristic scenario, the ...
MASSIVE advances in aerodynamics
Engineers are closer to understanding, and therefore manipulating, invisible aerodynamic drag forces, that cause an estimated 50 per cent of transportation fuel to be lost before we can use it.
Japan group tests fuel-saving driverless trucks
Power plants: Researchers explore how to harvest electricity directly from plants
(Phys.org) —The sun provides the most abundant source of energy on the planet. However, only a tiny fraction of the solar radiation on Earth is converted into useful energy.
Peugeot unveils petrol hybrid using compressed air
French carmaker PSA Peugeot Citroen unveiled Tuesday a petrol hybrid engine that stores energy using compressed air which it hopes will be a game-changing technology to improve energy efficiency.