News tagged with hydrogen ion
Turning sunlight into liquid fuels (Video)
Mar 11, 2009 |
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(PhysOrg.com) -- For millions of years, green plants have employed photosynthesis to capture energy from sunlight and convert it into electrochemical energy. A goal of scientists has been to develop an artificial ...
Nanowires may lead to better fuel cells
Nanotechnology / Nanomaterials
Mar 11, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- The creation of long platinum nanowires at the University of Rochester could soon lead to the development of commercially viable fuel cells.
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Hydrogen-Powered Ion Tiger Sets 26-hour Flight Endurance Record
Nov 30, 2009 |
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The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 26 hours and 1 minute carrying a 5-pound payload, setting another unofficial flight endurance record ...
Ion Tiger fuel cell unmanned air vehicle completes 23-hour flight
Oct 13, 2009 |
4 / 5 (7) |
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The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 23 hours and 17 minutes, setting an unofficial flight endurance record for a fuel-cell powered ...
Hydrogen bonds: Scientists find new mechanism
Sep 09, 2008 |
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Water’s unrivaled omnipresence and the crucial role it plays in life drives scientists’ to understand every detail of its unusual underlying properties on the microscopic scale.
Improved Ion Mobility Is Key to New Hydrogen Storage Compound
May 14, 2008 |
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A materials scientist at the National Institute of Standards and Technology has deciphered the structure of a new class of materials that can store relatively large quantities of hydrogen within its crystal ...
Mini-Donut Catches Chloride Ions
Mar 11, 2008 |
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Ions—charged atoms or molecules—play an important role in nature, in our bodies as well as for science and technology. It is often necessary to trap, remove, mask, stabilize, or transport ions, whether in ...
Missions to Mars: GSI will investigate radiation risks for astronauts
Space & Earth / Space Exploration
Apr 14, 2008 |
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The European Space Agency (ESA) has chosen the GSI accelerator facility to assess radiation risks that astronauts will be exposed to on a Mars mission. GSI was selected because its accelerator is the only ...
Study reveals new, cost-efficient method for creating portable hydrogen fuel cells
Jun 28, 2007 |
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A new paper published in Journal of the American Ceramic Society proposes a new method of producing hydrogen for portable fuel cells.
Scientists Create Smallest Ever Droplet of Acid, Solve Ozone Puzzle
Chemistry / Analytical Chemistry
Jun 25, 2009 |
4.9 / 5 (7) |
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(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 ...
Sensor Detects Onset of Acute Myocardial Ischemia
Apr 23, 2009 |
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(PhysOrg.com) -- Engineering researchers at the University of Arkansas have fabricated and tested a unique biosensor that measures concentrations of potassium and hydrogen ions in the human heart with high specificity. The ...
Hydrogen-Powered Cell Phone Doubles Battery Lifetime
Jan 14, 2008 |
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A Canadian company has taken a significant step in the development of hydrogen-powered cell phones. Unlike previous attempts at hydrogen-powered phones, Angstrom Power´s prototype allows the fuel cell to fit ...
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