News tagged with temperature difference
Scientists revisit 1833 hydrogen production experiment
Nov 07, 2008 |
4.5 / 5 (134) |
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
Oct 09, 2008 |
4.8 / 5 (9) |
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
A RANK insider resolving the enigma of the fever chart
Nov 25, 2009 |
not rated yet |
0
Mammals have evolved a complex system for controlling bone remodeling. Babies require calcium for healthy bones and they obtain it from their mother's milk. Nursing mothers release calcium from their bones. Surprisingly, ...
Liquid battery big enough for the electric grid?
Nov 19, 2009 |
4.3 / 5 (6) |
3
(PhysOrg.com) -- There's one major drawback to most proposed renewable-energy sources: their variability. The sun doesn't shine at night, the wind doesn’t always blow, and tides, waves and currents fluctuate. ...
Study finds bees can learn differences in food's temperature
Nov 17, 2009 |
1 / 5 (1) |
0
Biologists at UC San Diego have discovered that honeybees can discriminate between food at different temperatures, an ability that may assist bees in locating the warm, sugar-rich nectar or high-protein pollen ...
Central Africa's tropical Congo Basin was arid, treeless in Late Jurassic
Space & Earth / Earth Sciences
Nov 10, 2009 |
4.3 / 5 (3) |
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
Nov 05, 2009 |
2.3 / 5 (6) |
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
Nov 03, 2009 |
4 / 5 (1) |
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 ...
Smart drug delivery system -- Gold nanocage covered with polymer (w/ Video)
Nov 01, 2009 |
5 / 5 (5) |
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
Oct 30, 2009 |
4.5 / 5 (10) |
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
Oct 27, 2009 |
not rated yet |
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 ...
Scientists solve decade-long mystery of nanopillar formations
Oct 22, 2009 |
5 / 5 (23) |
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 ...
List of search results for temperature difference
