News tagged with water molecules
Related topics: water , protein , hydrogen , liquid water , catalyst
Scientists create one-dimensional ferroelectric ice
(PhysOrg.com) -- Everyone knows that when water freezes, it forms ice. But a lesser known fact is that there is not one, but many different kinds of ice, depending on the way the ice crystals are arranged. ...
Feb 25, 2011 |
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Scientists investigate how ice melts below freezing due to nanowire's pressure
(PhysOrg.com) -- The many ways in which water differs from other molecules is both a scientific curiosity and an important factor in shaping the Earth. Among water's unique properties are that it expands when ...
Sep 02, 2010 |
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Understanding photosynthesis: How plants use catalytic reactions to split oxygen from water
Splitting hydrogen and oxygen from water using conventional electrolysis techniques requires considerable amounts of electrical energy. But green plants produce oxygen from water efficiently using a catalytic ...
Apr 02, 2012 |
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Electrons in concert: A simple probe for collective motion in ultracold plasmas
(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...
Feb 06, 2012 |
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Scientists predict an out-of-this-world kind of ice
(PhysOrg.com) -- Cornell scientists are boldly going where no water molecule has gone before -- that is, when it comes to pressures found nowhere on Earth.
Jan 17, 2012 |
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Supercooled: Water doesn't have to freeze until -55 F
(PhysOrg.com) -- We drink water, bathe in it and we are made mostly of water, yet the common substance poses major mysteries. Now, University of Utah chemists may have solved one enigma by showing how cold ...
Nov 23, 2011 |
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Novel alloy could produce hydrogen fuel from sunlight
Scientists from the University of Kentucky and the University of Louisville have determined that an inexpensive semiconductor material can be "tweaked" to generate hydrogen from water using sunlight.
Aug 30, 2011 |
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Disorder is key to nanotube mystery
Scientists often find strange and unexpected things when they look at materials at the nanoscale -- the level of single atoms and molecules. This holds true even for the most common materials, such as water.
Nanotechnology / Nanomaterials
Aug 12, 2011 |
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Stanford team devises a better solar-powered water splitter (w/ video)
(PhysOrg.com) -- The process of splitting water into pure oxygen and clean-burning hydrogen fuel has long been the Holy Grail for clean-energy advocates as a method of large-scale energy storage, but the idea faces technical ...
Jun 21, 2011 |
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How wet is water's surface? Some water molecules split the difference between gas and liquid
(PhysOrg.com) -- Air and water meet over most of the earth's surface, but exactly where one ends and the other begins turns out to be a surprisingly subtle question.
Jun 08, 2011 |
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Teaching algae to make fuel
Many kinds of algae and cyanobacteria, common water-dwelling microorganisms, are capable of using energy from sunlight to split water molecules and release hydrogen, which holds promise as a clean and carbon-free ...
May 24, 2011 |
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Researchers get new view of how water and sulfur dioxide mix
High in the sky, water in clouds can act as a temptress to lure airborne pollutants such as sulfur dioxide into reactive aqueous particulates. Although this behavior is not incorporated into today's climate-modeling ...
May 09, 2011 |
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Portable tech might provide drinking water, power to villages
Researchers have developed an aluminum alloy that could be used in a new type of mobile technology to convert non-potable water into drinking water while also extracting hydrogen to generate electricity.
Technology / Energy & Green Tech
May 03, 2011 |
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Scientists build world's smallest 'water bottle'
Scientists have designed and built a container that holds just a single water molecule. The container consists of a fullerene cage and a phosphate moiety that acts as the “cap” to keep the water ...
Nov 19, 2010 |
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Water discovered on second asteroid, may be even more common
Water ice on asteroids may be more common than expected, according to a new study that will be presented today at the world's largest gathering of planetary scientists.
Space & Earth / Space Exploration
Oct 07, 2010 |
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