News tagged with heat energy
Tiny heat engine may be world's smallest
(PhysOrg.com) -- Steam engines, combustion engines, and diesel engines are all different types of heat engines, which operate by converting heat energy into mechanical work. Although heat engines have existed ...
Feb 02, 2011 |
4.7 / 5 (29) |
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Controversial energy-generating system lacking credibility (w/ video)
(PhysOrg.com) -- It's been seven months since Italian physicists Andrea Rossi and Sergio Focardi publicly demonstrated a device that they claimed could generate large amounts of excess heat through some kind of low-energy ...
Aug 11, 2011 |
4 / 5 (29) |
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US energy use chart shows we waste more than half of our energy
(PhysOrg.com) -- This flow chart of the estimated US energy use in 2009, assembled by the Lawrence Livermore National Laboratory (LLNL), paints a pretty sobering picture of our energy situation. To begin with, ...
Technology / Energy & Green Tech
Apr 09, 2011 |
3.5 / 5 (27) |
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Energy harvesters transform waste into electricity
Billions of dollars lost each year as waste heat from industrial processes can be converted into electricity with a technology being developed at the Department of Energy's Oak Ridge National Laboratory.
Technology / Energy & Green Tech
May 16, 2011 |
5 / 5 (6) |
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Shining a light on the elusive 'blackbody' of energy research
A designer metamaterial has shown it can engineer emitted "blackbody" radiation with an efficiency beyond the natural limits imposed by the material's temperature, a team of researchers led by Boston College ...
Jul 22, 2011 |
4.8 / 5 (16) |
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Magnetic memory and logic could achieve ultimate energy efficiency
Future computers may rely on magnetic microprocessors that consume the least amount of energy allowed by the laws of physics, according to an analysis by University of California, Berkeley, electrical engineers.
Jul 01, 2011 |
4.4 / 5 (14) |
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Mining for heat
Underground mining is a sweaty job, and not just because of the hard work it takes to haul ore: Mining tunnels fill with heat naturally emitted from the surrounding rock. A group of researchers from McGill University in Canada ...
Technology / Energy & Green Tech
May 02, 2012 |
5 / 5 (2) |
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Researchers map the city's heat
Steel – the traditional industry for which the UK city of Sheffield is so well known – could help provide a green alternative for heating the city's homes and businesses, alongside other renewable energy sources.
Technology / Energy & Green Tech
May 13, 2012 |
4 / 5 (2) |
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Insect cyborgs may become first responders, search and monitor hazardous environs
(PhysOrg.com) -- Research conducted at the University of Michigan College of Engineering may lead to the use of insects to monitor hazardous situations before sending in humans.
Nov 23, 2011 |
4.7 / 5 (3) |
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Maxwell's demon demonstration turns information into energy
(PhysOrg.com) -- Scientists in Japan are the first to have succeeded in converting information into free energy in an experiment that verifies the "Maxwell demon" thought experiment devised in 1867.
Nov 15, 2010 |
4.6 / 5 (47) |
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Start-up company aims to harness the full potential of producing electricity from waste heat
(PhysOrg.com) -- Matt Scullin co-founded Alphabet Energy just one year ago, but already the CEO has ambitions of turning the San Francisco-based start-up company into the "Intel of waste heat." By harnessing ...
Technology / Energy & Green Tech
Sep 02, 2010 |
4.8 / 5 (14) |
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Sound could save circuits: Researchers theorize acoustic waves may cool microelectronics
(PhysOrg.com) -- "Hot sounds" has one meaning to music fans and another to physicists. Count a team of researchers at Rice University among the latter, as they've discovered that acoustic waves traveling along ...
Apr 28, 2010 |
4.8 / 5 (14) |
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Peppers may increase energy expenditure in people trying to lose weight
Imagine your delight while enjoying your favorite Mexican food - perhaps a fully loaded bean burrito topped with an ample supply of thinly sliced jalepeno peppers. What happens when you bite into a few more peppers than you ...
Medicine & Health / Medical research
Apr 27, 2010 |
4.6 / 5 (5) |
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Solar power generation around the clock
(PhysOrg.com) -- A Californian company, SolarReserve, is developing a solar power system that can store seven hours' worth of solar energy by focusing mirrors onto millions of gallons of molten salt, allowing ...
Technology / Energy & Green Tech
Nov 05, 2009 |
4.5 / 5 (31) |
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Turning heat to electricity... efficiently
(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...
Nov 18, 2009 |
4.8 / 5 (67) |
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