News tagged with flow
Intelligent Traffic System Predicts Future Traffic Flow on Multiple Roads
Oct 12, 2009 |
4.4 / 5 (68) |
5
(PhysOrg.com) -- In urban areas, there’s almost always more than one way to get somewhere, but often it’s difficult to predict which road will be fastest. In an attempt to improve traffic flow and decrease ...
Optimized by Evolution, Ants Don't Have Traffic Jams
Mar 30, 2009 |
4 / 5 (21) |
17
(PhysOrg.com) -- As highway traffic increases, you'd probably expect a traffic jam, where vehicles slow down due to the high density. While traffic jams are a common occurrence on our highways, high density ...
Gas pump made of minerals has no moving parts
Nov 28, 2008 |
4.4 / 5 (49) |
6
(PhysOrg.com) -- Scientists have discovered that a type of hard mineral called zeolite can provide a high rate of gas flow in a micro-scale gas pump. Because the pump is based simply on temperature differences ...
In radiation 'ventriloquism,' electromagnetic waves travel backwards
Sep 23, 2008 |
4.5 / 5 (81) |
10
(PhysOrg.com) -- Typically, electromagnetic waves travel away from their sources. For instance, a radar system emits radio waves that travel all the way to a target, such as a car or plane, before being reflected ...
Cosmic entropy could be 100 times greater than previously thought
Oct 06, 2009 |
4.3 / 5 (21) |
11
(PhysOrg.com) -- A new analysis of supermassive black holes has discovered the entropy of the universe is much greater than previously thought, which means it may also be very slightly closer to ultimate heat death.
Washing away painful wounds
Aug 26, 2009 |
5 / 5 (20) |
1
More than six million people in the U.S. suffer from persistent wounds -- open sores that never seem to heal or, once apparently healed, return with a vengeance. The bedridden elderly and infirm are prone ...
Palm faces 'make-or-break' event with launch of the Pre
May 27, 2009 |
5 / 5 (1) |
0
Few businesses rise or fall on a single product, but Palm Inc. has essentially banked its future as a company on a small, touch-screen wireless phone set to hit the market in just two weeks.
Scientists discover rigid structure in centre of turbulence
May 05, 2009 |
4.3 / 5 (10) |
3
Pioneering mathematical engineers have discovered for the first time a rigid structure which exists within the centre of turbulence, leading to hope that its chaotic movement could be controlled in the future.
Achieving optimal efficiencies for nanoengines
Apr 29, 2009 |
3.9 / 5 (9) |
1
(PhysOrg.com) -- "There's a lot of recent interest in understanding the functioning and optimal performance of small systems," Katja Lindenberg tells PhysOrg.com. Lindenberg is a scientist in the Department of Chemistry and Bi ...
Unifying The Animate And The Inanimate Designs Of Nature
Apr 28, 2009 |
3.9 / 5 (9) |
4
(PhysOrg.com) -- Living beings and inanimate phenomena may have more in common than previously thought.
Membrane filters are key to future of public water supply, scientists say
Apr 21, 2009 |
4.4 / 5 (5) |
0
As municipalities across the United States reduce their dependence on groundwater sources to mitigate environmental impacts like subsidence and flooding, there is a growing need for better purification processes to keep contaminants ...
Putting the Pressure on Iron-Based Superconductors
Mar 05, 2009 |
4.8 / 5 (9) |
3
(PhysOrg.com) -- Traditionally, magnetism and superconductivity don't mix. For more than 20 years, the only known superconductors that worked at so-called "high" temperatures (above 30 K, or about -406 degrees ...
Two cardiovascular proteins pose a double whammy in Alzheimer's
Biology /
Dec 21, 2008 |
4.3 / 5 (7) |
0
Researchers have found that two proteins which work in tandem in the brain's blood vessels present a double whammy in Alzheimer's disease. Not only do the proteins lessen blood flow in the brain, but they also reduce the ...
Under pressure at the nanoscale, polymers play by different rules
Oct 02, 2008 |
4.6 / 5 (8) |
1
Scientists putting the squeeze on thin films of polystyrene have discovered that at very short length scales the polymer doesn't play by the rules.
Solving Teapot Effect
Nov 02, 2009 |
4.9 / 5 (12) |
10
(PhysOrg.com) -- A team of scientists from France have worked out why teapots dribble at low flow rates, and how to stop them. The effect is called the "teapot effect", and solving it could finally put an ...
