News tagged with focused ion
Cold atoms could replace hot gallium in focused ion beams
Nov 13, 2008 |
4.9 / 5 (14) |
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(PhysOrg.com) -- Scientists at the National Institute of Standards and Technology have developed a radical new method of focusing a stream of ions into a point as small as one nanometer. Because of the versatility ...
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New Research Promises Better Atomic Clocks
Apr 22, 2009 |
4.7 / 5 (9) |
1
(PhysOrg.com) -- The most accurate timekeepers in the world are atomic clocks, which tell time based on the absorption of a very specific and unchanging microwave frequency, which induces electrons in an atom to “jump” from ...
Scientists develop novel ion trap for sensing force and light
Jul 01, 2009 |
5 / 5 (3) |
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Miniature devices for trapping ions (electrically charged atoms) are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at the National Institute ...
ZPower claims its silver-zinc batteries last 40% longer than lithium-ion
Oct 08, 2008 |
4.6 / 5 (32) |
5
A company called ZPower has designed batteries with silver- and zinc-based electrodes that it says will offer up to 40% more computer time per charge than today´s lithium-ion batteries. Consumers won´t have ...
Gene mutations in mice mimic human-like sleep disorder, researchers find
May 20, 2008 |
4.5 / 5 (2) |
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DALLAS – May 20, 2008 – Mutations in two genes that control electrical excitability in a portion of the brain involved in sleep create a human-like insomnia disorder in mice, UT Southwestern Medical Center researchers have ...
Hydrogen-Powered Ion Tiger Sets 26-hour Flight Endurance Record
Nov 30, 2009 |
4.1 / 5 (7) |
2
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 ...
Saturn's Moon Rhea Sports a Dusty Halo
Space & Earth / Space Exploration
Mar 06, 2008 |
4.6 / 5 (7) |
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Who'd have guessed that Saturn has its own moon-sized vacuum cleaners, circling the ringed planet and sucking up electrons from the plasma at the orbit of the icy moons. Or that one of Saturn's moons has its ...
Nervy research: Researchers take initial look at ion channels in a model system
Dec 02, 2009 |
5 / 5 (1) |
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Before one of your muscles can twitch, before the thought telling it to flex can race down your nerve, a tiny floodgate of sorts -- called an ion channel -- must open in the surface of each cell in these organs ...
New Material Can Find a Needle in a Nuclear Waste Haystack
Mar 03, 2008 |
4.7 / 5 (14) |
3
Nuclear power has advantages, but, if this method of making power is to be viable long term, discovering new solutions to radioactive waste disposal and other problems are critical. Otherwise nuclear power ...
Virus battery could power cars, electronic devices
Nanotechnology / Nanomaterials
Apr 02, 2009 |
4.5 / 5 (8) |
4
For the first time, MIT researchers have shown they can genetically engineer viruses to build both the positively and negatively charged ends of a lithium-ion battery.
New insights on heart's 'fight or flight' response to stress
Mar 09, 2009 |
5 / 5 (3) |
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Even for those without a heart condition, it's a peculiar feeling when your heart "races" in response to stress. That pacing change happens in part because of how the enzyme calcium/calmodulin-dependent protein ...
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