(Phys.org) —Wonder material graphene can be made magnetic and its magnetism switched on and off at the press of a button, opening a new avenue towards electronics with very low energy consumption.
Nanomaterials
Jun 12, 2013
0
1
Humans have evolved to be incredibly efficient at walking. In fact, simulations of human locomotion show that walking on level ground and at a steady speed should theoretically require no power input at all.
Engineering
Apr 1, 2015
2
1872
On the heels of last year's historic climate agreement in Paris, a new study concludes that fossil fuel consumption is likely to grow without clear and decisive global action to put an adequate price on carbon dioxide emissions ...
Energy & Green Tech
Feb 10, 2016
39
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No less than one third of a car's fuel consumption is spent in overcoming friction, and this friction loss has a direct impact on both fuel consumption and emissions. However, new technology can reduce friction by anything ...
Energy & Green Tech
Jan 12, 2012
9
0
To make ships more eco-efficient, engineers have been working with alternative fuels. A Norwegian engineer is currently pursuing a new approach: With VindskipTM, he has designed a cargo ship that is powered by wind and gas. ...
Energy & Green Tech
Jan 6, 2015
5
97
(PhysOrg.com) -- Right now, many researchers around the world are working on ways to move away from electronics-dominated computing systems. There are a number of ideas about how this can be accomplished. "We are trying to ...
(PhysOrg.com) -- Using solar panels, wind turbines, appliance monitoring, and on-site energy storage, General Electric has a plan to enable homeowners to cut their annual energy consumption (from the electric grid) to zero, ...
Algae is widely touted as the next best source for fueling the world's energy needs. But one of the greatest challenges in creating biofuels from algae is that when you extract the oil from the algae, it kills the organisms, ...
Bio & Medicine
Apr 7, 2009
3
1
(Phys.org) —Can your microwave oven power other gadgets in your kitchen? That is the question explored in the paper, "Power Harvesting from Microwave Oven Electromagnetic Leakage," by researchers from the University of ...
Technology and Software from Siemens are making the world's largest container ships more energy-efficient. The Korean shipbuilding company Daewoo is building 20 container ships for the Danish shipping company Maersk, each ...
Energy & Green Tech
Sep 21, 2012
1
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