News tagged with energy flow

Bladeless wind turbine inspired by Tesla

(PhysOrg.com) -- A bladeless wind turbine whose only rotating component is a turbine/driveshaft could generate power at a cost comparable to coal-fired power plants, according to its developers at Solar Aero. ...

Technology / Energy & Green Tech

created May 07, 2010 | popularity 4.4 / 5 (120) | comments 30 | with audio podcast report

Turning the tide to energy

NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...

Technology / Engineering

created Mar 06, 2009 | popularity 3.3 / 5 (23) | comments 6

Hydrokinetic proposal for Mississippi river

(PhysOrg.com) -- Everyone is looking for alternative forms of energy, and one company proposes to generate electricity from the flow of the river Mississippi in the US, without using dams to control the water ...

Technology / Energy & Green Tech

created Mar 23, 2010 | popularity 4.5 / 5 (12) | comments 10 | with audio podcast report

Whale-inspired ocean turbine blades

Interest in developing alternative energy sources is driving the consideration of a promising technology that uses underwater turbines to convert ocean tidal flow energy into electricity.

Technology / Engineering

created Nov 28, 2010 | popularity 4.8 / 5 (11) | comments 3 | with audio podcast

Computer simulations suggest graphynes may be even more useful than graphene

(PhysOrg.com) -- The past several years have seen a virtual explosion in the amount of research dedicated to graphene and as a result there has been a nearly constant stream of news pertaining to new discoveries ...

Nanotechnology / Nanomaterials

created Mar 05, 2012 | popularity 4.8 / 5 (10) | comments 26 | with audio podcast report

Tiny turbine in human artery harvests energy from blood flow

(PhysOrg.com) -- A small turbine located inside a millimeters-wide human artery could harvest enough energy from blood flow to power implanted medical devices, such as pacemakers and drug-delivery pumps. The ...

Technology / Engineering

created May 20, 2011 | popularity 3.9 / 5 (12) | comments 20 | with audio podcast weblog

Explaining the Mystery of the Voyager

With a new 3D-model for energy simulation scientists from Bochum, Germany, and Huntsville, USA, are studying the 'physical mystery' of the Voyager. Over 30 years ago the spacecraft detected particles in solar wind which were ...

Physics / General Physics

created Feb 27, 2009 | popularity 4.6 / 5 (10) | comments 2

Food for thought, er, well... Study finds brain wolfs energy to stop thinking

Ever wonder why it's such an effort to forget about work while on vacation or to silence that annoying song that's playing over and over in your head?

Medicine & Health / Medical research

created Sep 20, 2010 | popularity 4.5 / 5 (10) | comments 2 | with audio podcast

Effortless sailing with fluid flow cloak

Duke engineers have already shown that they can "cloak" light and sound, making objects invisible -- now, they have demonstrated the theoretical ability to significantly increase the efficiency of ships by tricking the surrounding ...

Physics / General Physics

created Aug 11, 2011 | popularity 4.3 / 5 (9) | comments 19 | with audio podcast

1,000m underground central heating system planned

(PhysOrg.com) -- A pioneering scheme to build a giant central heating system that will harness heat from deep underground is being developed by university scientists.

Space & Earth / Earth Sciences

created Jan 12, 2010 | popularity 5 / 5 (6) | comments 3

From the rustbelt: An iron-based flow battery

Researchers at Case Western Reserve University are mixing cheap and plentiful iron in benign solutions to create a flow battery – essentially an unwrapped battery that can be scaled up to hold and supply electricity ...

Chemistry / Materials Science

created May 25, 2011 | popularity 5 / 5 (4) | comments 5

Weir in space and dimmed sun creates 200-million-mile-long lab bench for turbulence research

Physicists working in space plasmas have made clever use of the Ulysses spacecraft and the solar minimum to create a massive virtual lab bench to provide a unique test for the science underlying turbulent ...

Physics / General Physics

created Dec 11, 2009 | popularity 5 / 5 (3) | comments 0

Powering wind energy with superconductivity

Energy prices and environmental concerns are driving the United States to rethink its energy mix and to develop domestic sources of clean, renewable energy.

Technology / Energy & Green Tech

created Sep 21, 2011 | popularity 4.7 / 5 (3) | comments 2

Curtailing open grocery refrigerators' energy loss

Open refrigerated display cases holding eggs, cheese, drinks and more are a favorite of supermarket chains. Despite the easy access they offer customers, the inefficient energy-guzzlers cost retailers a huge ...

Technology / Engineering

created Oct 28, 2011 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Foreseer of future resources

Understanding how energy can be used efficiently is key to reducing carbon emissions and mitigating future fuel and food shortages. But energy use is only part of the story. The link between resources and ...

Technology / Energy & Green Tech

created Jul 20, 2011 | popularity 5 / 5 (2) | comments 0