News tagged with electric energy

Satellite proposed to send solar power to Earth

(Phys.org) -- Artemis Innovation Management Solutions has been given some seed money by NASA to look deeper into a project the company first proposed last summer; namely, building a satellite that could collect ...

Space & Earth / Space Exploration

created Apr 11, 2012 | popularity 4.5 / 5 (54) | comments 75 | with audio podcast report

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 ...

Technology / Energy & Green Tech

created Apr 18, 2012 | popularity 4.6 / 5 (39) | comments 19 | with audio podcast

Researchers find simple and cheap way to mass-produce graphene nanosheets

Mixing a little dry ice and a simple industrial process cheaply mass-produces high-quality graphene nanosheets, researchers in South Korea and Case Western Reserve University report.

Nanotechnology / Nanomaterials

created Mar 26, 2012 | popularity 5 / 5 (33) | comments 22 | with audio podcast

Affordable solar: It's closer than you think

It's time to stop thinking of solar energy as a boutique source of power, says Joshua Pearce.

Technology / Energy & Green Tech

created Dec 01, 2011 | popularity 4.2 / 5 (31) | comments 59 | with audio podcast

Small modular reactor design could be a 'SUPERSTAR'

(PhysOrg.com) -- Though most of today's nuclear reactors are cooled by water, we've long known that there are alternatives; in fact, the world's first nuclear-powered electricity in 1951 came from a reactor ...

Technology / Energy & Green Tech

created Feb 10, 2012 | popularity 4.5 / 5 (24) | comments 41 | with audio podcast

Innovative superconductor fibers carry 40 times more electricity

Wiring systems powered by highly-efficient superconductors have long been a dream of science, but researchers have faced such practical challenges such as finding pliable and cost-effective materials. Now ...

Physics / Superconductivity

created Sep 07, 2011 | popularity 4.6 / 5 (23) | comments 23 | with audio podcast

Nanotrees harvest the sun's energy to turn water into hydrogen fuel

(PhysOrg.com) -- University of California, San Diego electrical engineers are building a forest of tiny nanowire trees in order to cleanly capture solar energy without using fossil fuels and harvest it for ...

Nanotechnology / Nanophysics

created Mar 07, 2012 | popularity 5 / 5 (21) | comments 4 | with audio podcast

Graphene battery demonstrated to power an LED

(PhysOrg.com) -- Scientists in Hong Kong have reported, in ArXiv, their experiments to make a graphene battery that they say generates an electrical current by drawing on the ambient thermal energy in the sol ...

Nanotechnology / Nanomaterials

created Mar 16, 2012 | popularity 4.1 / 5 (25) | comments 24 | with audio podcast report

New materials turn heat into electricity

Most of today's power plants--from some of the largest solar arrays to nuclear energy facilities--rely on the boiling and condensing of water to produce energy.

Technology / Energy & Green Tech

created Nov 07, 2011 | popularity 5 / 5 (19) | comments 8 | with audio podcast

Researchers discover source for generating 'green' electricity

University of Minnesota engineering researchers in the College of Science and Engineering have recently discovered a new alloy material that converts heat directly into electricity. This revolutionary energy conversion method ...

Physics / Condensed Matter

created Jun 22, 2011 | popularity 4.8 / 5 (19) | comments 21 | with audio podcast

Rechargeable lithium-sulfur batteries get a boost from graphene

(PhysOrg.com) -- By wrapping tiny sulfur particles in graphene sheets, researchers from Stanford University have synthesized a promising cathode material for rechargeable lithium-sulfur batteries that could ...

Nanotechnology / Nanomaterials

created Jul 13, 2011 | popularity 4.2 / 5 (22) | comments 53 | with audio podcast feature

Inexpensive catalyst that makes hydrogen gas 10 times faster than natural enzyme

Looking to nature for their muse, researchers have used a common protein to guide the design of a material that can make energy-storing hydrogen gas. The synthetic material works 10 times faster than the original ...

Chemistry / Materials Science

created Aug 11, 2011 | popularity 4.6 / 5 (20) | comments 9 | with audio podcast

New technology improves both energy capacity and charge rate in rechargeable batteries

Imagine a cellphone battery that stayed charged for more than a week and recharged in just 15 minutes. That dream battery could be closer to reality thanks to Northwestern University research.

Chemistry / Materials Science

created Nov 14, 2011 | popularity 4.8 / 5 (18) | comments 17 | with audio podcast

Details of new type of electric car battery released

(PhysOrg.com) -- After being spun off from parent company A123 Systems last year; the new offspring, 24M has published a paper in Advanced Energy Materials, ending months of speculation about what it has be ...

Chemistry / Materials Science

created May 27, 2011 | popularity 4.4 / 5 (19) | comments 25 | with audio podcast report

Scotland passes turbine test to harness tidal power

(Phys.org) -- An underwater turbine being used for harnessing tidal power to generate electricity for homes and businesses has successfully completed its testing period in the island of Eday, one of Orkney’s ...

Technology / Energy & Green Tech

created May 20, 2012 | popularity 4.6 / 5 (18) | comments 41 | with audio podcast report