News tagged with ion beam
Microscopy reveals structure of calcite shells
Nov 30, 2009 |
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(PhysOrg.com) -- Lara Estroff and colleagues have taken a deep, detailed look at the way lab-created calcite crystals, similar to those found in nature, grow in tandem with proteins and other large molecules.
Atom Pinhole Camera Acts as a Shrinking Copy Machine
Jun 01, 2009 |
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(PhysOrg.com) -- In 1983, Richard Feynman proposed the idea of a machine that could create smaller scale replicas of itself. Today, such a system is still a challenge, but a machine that can produce nanometer-sized ...
Cold atoms could replace hot gallium in focused ion beams
Nov 13, 2008 |
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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) |
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(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 ...
Argonne scientists reach milestone in accelerator upgrade project
Jan 06, 2009 |
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Scientists at the U.S. Department of Energy's (DOE) Argonne National Laboratory have successfully stopped and then reaccelerated a stable ion through a newly constructed charge-breeder, bringing the CAlifornium Rare Isotope ...
Scientists create wrinkled 'skin' on polymers
Jan 16, 2007 |
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Applied scientists demonstrated a new method for developing wrinkled hard skins on the surface areas of polymers using a focused ion beam. By controlling the direction and intensity of the ion beam, the researchers ...
Saturn's Moon Rhea Sports a Dusty Halo
Space & Earth / Space Exploration
Mar 06, 2008 |
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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 ...
The little beam that could
Physics /
Feb 01, 2006 |
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Scientists at Los Alamos National Laboratory, in collaboration with researchers from the University of Nevada, Reno, Ludwig-Maximilian-University in Germany, and the Max-Planck-Institute for Quantum Optics in Germany, have ...
First images of flowing nano ripples
Mar 21, 2006 |
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Delft University of Technology (Holland) researchers have shed new light on the formation of nanoscale surface features, such as nano ripples. These features are important because they could be useful as templates ...
Racing Ahead at the Speed of Light
Feb 06, 2008 |
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Imagine trying to catch up to something moving close to the speed of light - the fastest anything can move - and sending ahead information in time to make mid-path flight corrections. Impossible? Not quite. ...
Lasers, the Bragg Peak and Cancer Therapy
Nov 06, 2008 |
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(PhysOrg.com) -- “When a laser goes through a plasma,” John Cary tells PhysOrg.com, “it pushes electrons away. Then when it snaps back, it generates an electric wake behind the laser pulse, picking the electrons up and ca ...
Ion beams might one day fight cancer tumors
Physics /
Jan 26, 2006 |
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Nonsurgical cancer therapy that destroys tumors but leaves healthy surrounding tissue intact could be available at every hospital if research reported this week in the journal Nature eventually comes to fruition.
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 ...
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