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News tagged with water molecules

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Gold solution for enhancing nanocrystal electrical conductance

Gold solution for enhancing nanocrystal electrical conductance

Nanotechnology / Nanomaterials

created Sep 10, 2009 | popularity 5 / 5 (3) | comments 1

In a development that holds much promise for the future of solar cells made from nanocrystals, and the use of solar energy to produce clean and renewable liquid transportation fuels, researchers with the U.S. ...


Physicists make crystal/liquid interface visible for first time

Physicists make crystal/liquid interface visible for first time

Physics / Condensed Matter

created Aug 11, 2009 | popularity 4.2 / 5 (11) | comments 13

"Imagine you're a water molecule in a glass of ice water, and you're floating right on the boundary of the ice and the water," proposes Emory University physicist Eric Weeks. "So how do you know if you're ...


Rethinking Brownian motion with the 'Emperor's New Clothes'

Physics / Soft Matter

created Jul 27, 2009 | popularity 4.6 / 5 (15) | comments 10

In the classic fairy tale, "The Emperor's New Clothes," Hans Christian Andersen uses the eyes of a child to challenge conventional wisdom and help others to see more clearly. In similar fashion, researchers at the University ...


urine

Producing hydrogen from urine

Chemistry / Analytical Chemistry

created Jul 03, 2009 | popularity 4.6 / 5 (52) | comments 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 ...


ice water

Scientists Observe Liquid Water Below Freezing

Chemistry / Materials Science

created Jun 24, 2009 | popularity 4.2 / 5 (14) | comments 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 ...


Dancing 'adatoms' help chemists understand how water molecules split

Physics / Condensed Matter

created Mar 16, 2009 | popularity 4.4 / 5 (8) | comments 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

created Mar 05, 2009 | popularity 4.8 / 5 (15) | comments 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.


Accidental discovery has potential for new applications in packaging

Nanotechnology / Nanomaterials

created Feb 06, 2009 | popularity 3.9 / 5 (11) | comments 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

Most Distant Water in the Universe Found

Space & Earth / Astronomy

created Dec 17, 2008 | popularity 4.8 / 5 (25) | comments 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 ...


Newly identified enzymes help plants sense elevated CO2 and could lead to water-wise crops

Biology / Cell & Microbiology

created Dec 13, 2009 | popularity 5 / 5 (3) | comments 0

Biologists have identified plant enzymes that may help to engineer plants that take advantage of elevated carbon dioxide to use water more efficiently. The finding could help to engineer crops that take advantage of rising ...


Toward home-brewed electricity with 'personalized solar energy'

Toward home-brewed electricity with 'personalized solar energy'

Chemistry / Materials Science

created Nov 04, 2009 | popularity 3.4 / 5 (10) | comments 5

New scientific discoveries are moving society toward the era of "personalized solar energy," in which the focus of electricity production shifts from huge central generating stations to individuals in their ...


Synthetic Cells Shed Biological Insights While Delivering Battery Power

Synthetic Cells Shed Biological Insights While Delivering Battery Power

Chemistry / Materials Science

created Oct 20, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Trying to understand the complex workings of a biological cell by teasing out the function of every molecule within it is a daunting task. But by making synthetic cells that include just a ...


LCROSS

Hubble observes LCROSS impact: Preliminary analysis shows no clear evidence for hydroxyl

Space & Earth / Space Exploration

created Oct 12, 2009 | popularity 4.7 / 5 (6) | comments 1

(PhysOrg.com) -- NASA's Hubble Space Telescope has made a series of observations immediately preceding and following the Lunar Crater Observation and Sensing Satellite (LCROSS) Centaur rocket stage and shepherding ...


Ice Gets Bent Out of Shape

Ice Gets Bent Out of Shape

Chemistry / Materials Science

created Sep 09, 2009 | popularity 4.3 / 5 (4) | comments 0

For the first time, scientists have built completely flat, two-layer ice. While theoreticians have predicted that such ices are formed by squeezing water molecules between two surfaces, scientists at Pacific ...


Hot and Cold Moves of Cyanide and Water

Hot and Cold Moves of Cyanide and Water

Chemistry / Materials Science

created Sep 08, 2009 | popularity not rated yet | comments 1

(PhysOrg.com) -- Scientists have long known that molecules dance about as the temperature rises, but now researchers know the exact steps that water takes with a certain molecule. Results with small, electrically ...