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News tagged with exhausted

Nanocrystal-coated fibers might reduce wasted energy

(Phys.org) -- Researchers are developing a technique that uses nanotechnology to harvest energy from hot pipes or engine components to potentially recover energy wasted in factories, power plants and cars.

Nanotechnology / Nanomaterials

created Apr 17, 2012 | popularity 4.4 / 5 (9) | comments 1 | with audio podcast

Breakthrough in converting heat waste to electricity

(PhysOrg.com) -- Researchers at Northwestern University have placed nanocrystals of rock salt into lead telluride, creating a material that can harness electricity from heat-generating items such as vehicle exhaust systems, ...

Chemistry / Materials Science

created Jan 18, 2011 | popularity 4.7 / 5 (23) | comments 18 | with audio podcast

Perception of effort, not muscle fatigue, limits endurance performance

(PhysOrg.com) -- The physiological theory that underpins all endurance training and coaching for the last 100 years has just been disproved.

Medicine & Health / Other

created Mar 19, 2010 | popularity 4.6 / 5 (16) | comments 12 | with audio podcast

Interval training can cut exercise hours sharply

(AP) -- People who complain they have no time to exercise may soon need another excuse. Some experts say intense exercise sessions could help people squeeze an entire week's workout into less than an hour. Intense exercise ...

Medicine & Health / Health

created Feb 25, 2010 | popularity 5 / 5 (11) | comments 6

Processes at the surface of catalysts: Oxygen defects act as active centers

In chemical industry, heterogeneous catalysis is of crucial importance to the manufacture of basic or fine chemicals, in catalytic converters of exhaust gas, or for the chemical storage of solar energy. Scientists ...

Chemistry / Materials Science

created Apr 10, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Broadcast study of ocean acidification to date helps scientists evaluate effects on marine life

Might a penguin's next meal be affected by the exhaust from your tailpipe? The answer may be yes, when you add your exhaust fumes to the total amount of carbon dioxide lofted into the atmosphere by humans ...

Space & Earth / Environment

created Jan 23, 2012 | popularity 5 / 5 (4) | comments 24 | with audio podcast

Aging-related degeneration caused by defects of energy metabolism in tissue stem cells?

Aging-related tissue degeneration can be caused by mitochondrial dysfunction in tissue stem cells. The research group of Professor Anu Suomalainen Wartiovaara in Helsinki University, with their collaborators in Max Planck ...

Biology / Cell & Microbiology

created Jan 03, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Five myths about diesel engines

(PhysOrg.com) -- Diesel engines, long confined to trucks and ships, are garnering more interest for their fuel efficiency and reduced carbon dioxide emissions, relative to gasoline engines. Argonne mechanical ...

Technology / Energy & Green Tech

created Jun 14, 2011 | popularity 5 / 5 (2) | comments 15 | with audio podcast

Idling airplanes produce more harmful pollution than previously thought

(PhysOrg.com) -- A group of researchers from Carnegie Mellon University in Pittsburgh, have shown that the emissions produced by aircraft idling at the gate, or lining up for takeoff, contain tiny oil droplets, ...

Space & Earth / Earth Sciences

created May 12, 2011 | popularity 2 / 5 (2) | comments 6 | with audio podcast report

2D beats 3D: Ceria in platelet form stores more oxygen than nanocrystalline form

(PhysOrg.com) -- Three dimensions are not necessarily better than two. Not where ceria is concerned, in any case. Ceria is an important catalyst. Because of its outstanding ability to store oxygen and release ...

Chemistry / Materials Science

created Apr 27, 2011 | popularity not rated yet | comments 0 | with audio podcast

More evidence suggests electric cars need night time charging

(PhysOrg.com) -- Researchers in America have shown that ozone -- a known pollutant at low levels in the earth's atmosphere, causing harmful effects on the respiratory system and sensitive plants -- can be ...

Technology / Energy & Green Tech

created Apr 19, 2011 | popularity not rated yet | comments 5 | with audio podcast

Findings on pollution damage to human airways could yield new therapies

Researchers from Duke University Medical Center have identified how nanoparticles from diesel exhaust damage lung airway cells, a finding that could lead to new therapies for people susceptible to airway disease.

Medicine & Health / Medical research

created Jan 18, 2011 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Urban gardeners beware: There may be lead in your soil and food

Not since victory gardens helped World War II era Americans on the home front survive food shortages have urban gardens been as necessary and popular as they are today. With more food production in cities, the safety of the ...

Space & Earth / Environment

created Sep 27, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Auto exhaust linked to thickening of arteries, possible increased risk of heart attack

(PhysOrg.com) -- A team of researchers from Switzerland, California, and Spain have found that particulates from auto exhaust can lead to the thickening of artery walls. Their findings are reported in the journal PLoS ON ...

Medicine & Health / Health

created Feb 09, 2010 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Road rage: Fuel vapor heightens aggression

Outrageous prices may not be the only thing causing anger at the petrol pumps. A new study, published in the open access journal BMC Physiology, has shown that rats exposed to fumes from leaded and unleaded gasoline become ...

Medicine & Health / Medical research

created Nov 24, 2009 | popularity 4.5 / 5 (4) | comments 1