News tagged with temperature difference


Scientists revisit 1833 hydrogen production experiment

Scientists revisit 1833 hydrogen production experiment

Physics / General Physics

created Nov 07, 2008 | popularity 4.5 / 5 (134) | comments 20

(PhysOrg.com) -- In the early 1800s, during the peak of the Industrial Revolution, modern science revolved around steam engines and other coal-powered applications. So it may seem a bit out of place that, ...


Promising new material that could improve gas mileage

Chemistry /

created Oct 09, 2008 | popularity 4.8 / 5 (9) | comments 1

With gasoline at high prices, it's disheartening to know that up to three-quarters of the potential energy you are paying for is wasted. A good deal of it goes right out the tailpipe instead of powering your car.





Search results for temperature difference


Central Africa's tropical Congo Basin was arid, treeless in Late Jurassic

Space & Earth / Earth Sciences

created 21 hours ago | popularity 5 / 5 (2) | comments 0

The Congo Basin -- with its massive, lush tropical rain forest -- was far different 150 million to 200 million years ago. At that time Africa and South America were part of the single continent Gondwana. The Congo Basin was ...


3 Questions: Sergey Paltsev on the costs of climate-change legislation

3 Questions: Sergey Paltsev on the costs of climate-change legislation

Space & Earth / Environment

created Nov 05, 2009 | popularity 2.3 / 5 (6) | comments 4

Sergey Paltsev, a principal research scientist in MIT’s Joint Program on the Science and Policy of Global Change, was the lead author of a recent report that analyzed the costs of climate legislation currently ...


Glass Thermometers Still a Safety Hazard

Medicine & Health / Health

created Nov 03, 2009 | popularity 4 / 5 (1) | comments 1

(PhysOrg.com) -- A study by emergency physicians at Children's Hospital Boston provides a wakeup call to parents to get rid of their old glass thermometers. A 12year review of patients seen in Children's emergency department ...


An exquisite container

Smart drug delivery system -- Gold nanocage covered with polymer (w/ Video)

Nanotechnology / Nanophysics

created Nov 01, 2009 | popularity 5 / 5 (5) | comments 0

In campy old movies, Lucretia Borgia swans around emptying powder from her ring into wine glasses carelessly left unattended. The poison ring is usually a confection of gold filigree holding a cabochon or ...


'Blue energy' seems feasible and offers considerable benefits

Technology / Energy

created Oct 30, 2009 | popularity 4.5 / 5 (8) | comments 0

Generating energy on a large scale by mixing salt and fresh water is both technically possible and practical. The worldwide potential for this clean form of energy - 'blue energy' or 'blue electricity' - is enormous. However, ...


A silo fire doesn't have to ruin all stored silage

A silo fire doesn't have to ruin all stored silage

Other Sciences / Other

created Oct 27, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Sometimes, when harvest conditions are less than ideal, silage with lower-than-optimum moisture levels is put into a silo, potentially leading to excessive heating and a spontaneous-combustion ...


Caltech scientists solve decade-long mystery of nanopillar formations

Scientists solve decade-long mystery of nanopillar formations

Nanotechnology / Nanophysics

created Oct 22, 2009 | popularity 5 / 5 (22) | comments 2

Scientists at the California Institute of Technology have uncovered the physical mechanism by which arrays of nanoscale pillars can be grown on polymer films with very high precision, in potentially limitless ...


Scientists Develop New Method to Quantify Climate Modeling Uncertainty

Space & Earth / Earth Sciences

created Oct 21, 2009 | popularity 4.1 / 5 (9) | comments 6

(PhysOrg.com) -- Climate scientists recognize that climate modeling projections include a significant level of uncertainty. A team of researchers using computing facilities at Oak Ridge National Laboratory has identified ...


INL, ISU team on nanoparticle production breakthrough

INL, ISU team on nanoparticle production breakthrough

Nanotechnology / Nanomaterials

created Oct 19, 2009 | popularity 5 / 5 (14) | comments 1

Every hour, the sun floods Earth with more energy than the entire world consumes in a year. Yet solar power accounts for less than 0.002 percent of all electricity generated in the United States, primarily ...


It Takes a Solar Village

It Takes a Solar Village

Technology / Energy

created Oct 19, 2009 | popularity 3.9 / 5 (7) | comments 3

(PhysOrg.com) -- Rain didn't ruin the 2009 Solar Decathlon in Washington, D.C. University teams successfully operated 20 net-zero, grid-connected solar power homes for a week on the National Mall. Some used ...



List of search results for temperature difference