News tagged with water molecules
Producing hydrogen from urine
Chemistry / Analytical Chemistry
Jul 03, 2009 |
4.6 / 5 (52) |
20
(PhysOrg.com) -- You do two things at motorway services: fill up one tank and empty another. US chemists have combined refuelling your car and relieving yourself by creating a new catalyst that can extract ...
Scientists Create Smallest Ever Droplet of Acid, Solve Ozone Puzzle
Chemistry / Analytical Chemistry
Jun 25, 2009 |
4.9 / 5 (7) |
1
(PhysOrg.com) -- In its atomic form, chlorine can destroy vast quantities of ozone. But exactly how chlorine is created in the ultracold conditions of the stratosphere has puzzled scientists. Now, a team of ...
Scientists Observe Liquid Water Below Freezing
Jun 24, 2009 |
4.2 / 5 (14) |
8
(PhysOrg.com) -- Below 0 °C, water turns to ice. But beyond that, or below about -75 °C, the ice may turn back into liquid water. While scientists have previously predicted this phase transition with computer ...
Alterations in brain's white matter key to schizophrenia, study shows
Medicine & Health / Psychology & Psychiatry
Jun 22, 2009 |
5 / 5 (2) |
1
Schizophrenia, a chronic and debilitating disorder marked in part by auditory hallucinations and paranoia, can strike in late adolescence or early adulthood at a time when people are ready to stand on their own two feet as ...
Formation of the smallest droplet of acid
Chemistry / Analytical Chemistry
Jun 19, 2009 |
3 / 5 (2) |
1
Exactly four water molecules and one hydrogen chloride molecule are necessary to form the smallest droplet of acid. This was the result of work by the groups of Prof. Dr. Martina Havenith (physical chemistry) ...
New MR technique may help save women from unnecessary breast biopsies
Apr 23, 2009 |
not rated yet |
1
A new MR procedure that uses diffusion-weighted imaging (DWI) to determine whether or not a breast lesion is malignant or benign may help reduce unnecessary breast biopsies, according to a study performed at the National ...
Ordered Water: Just how much water is there in calcined gypsum?
Chemistry / Analytical Chemistry
Apr 15, 2009 |
4.8 / 5 (4) |
0
(PhysOrg.com) -- Gypsum was used as a building material in antiquity and is still widely used as a binder in plaster, drywall, and spackling paste. Known as dihydrate in construction chemistry, gypsum is a water-containing ...
Dancing 'adatoms' help chemists understand how water molecules split
Mar 16, 2009 |
4.4 / 5 (8) |
0
Single oxygen atoms dancing on a metal oxide slab, glowing brighter here and dimmer there, have helped chemists better understand how water splits into oxygen and hydrogen. In the process, the scientists have visualized a ...
Sunlight turns carbon dioxide to methane
Nanotechnology / Nanomaterials
Mar 05, 2009 |
4.8 / 5 (15) |
6
Dual catalysts may be the key to efficiently turning carbon dioxide and water vapor into methane and other hydrocarbons using titania nanotubes and solar power, according to Penn State researchers.
Lovely ‘snowfakes’ mimic nature, advance science
Feb 24, 2009 |
5 / 5 (6) |
0
(PhysOrg.com) -- Exquisitely detailed and beautifully symmetrical, the snowflakes that David Griffeath makes are icy jewels of art.
Forget the freezer: Research suggests novel way to control water behavior
Feb 20, 2009 |
3.4 / 5 (7) |
4
Researchers may be able to "freeze" water into a solid, not by cooling but by confining it to narrow spaces less than one-millionth of a millimeter wide, according to new results from an interdisciplinary team of scientists ...
Accidental discovery has potential for new applications in packaging
Nanotechnology / Nanomaterials
Feb 06, 2009 |
3.9 / 5 (11) |
2
A recent discovery at Case Western Reserve University may help keep food and drugs safer and fresher longer and electronic equipment dryer and more secure than ever before - all at a lower cost.
Most Distant Water in the Universe Found
Dec 17, 2008 |
4.8 / 5 (25) |
3
(PhysOrg.com) -- Astronomers have found the most distant water yet seen in the Universe, in a galaxy more than 11 billion light-years from Earth. Previously, the most distant water had been seen in a galaxy ...
Phoenix Site on Mars May be in Dry Climate Cycle Phase
Space & Earth / Space Exploration
Dec 15, 2008 |
4.4 / 5 (8) |
0
(PhysOrg.com) -- The Martian arctic soil that NASA's Phoenix Mars Lander dug into this year is very cold and very dry. However, when long-term climate cycles make the site warmer, the soil may get moist enough ...
Simulations help explain fast water transport in nanotubes
Sep 16, 2008 |
4.4 / 5 (7) |
0
(PhysOrg.com) -- By discovering the physical mechanism behind the rapid transport of water in carbon nanotubes, scientists at the University of Illinois have moved a step closer to ultra-efficient, next-generation ...
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