News tagged with beam

What is the geometry of the universe?

One of the big questions in cosmology regards the shape of the universe. "Shape" in this case is not the distribution of galaxies, but rather the shape of space and time itself. In general relativity, space ...

dateSep 24, 2014 in Astronomy
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Seeing clearly through a liquid

Accurately examining materials in liquids using electron microscopy is a difficult task for scientists, as electron beams perturb the sample and induce artifacts. This is especially true when using in situ ...

dateSep 08, 2014 in Materials Science
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Testing the shelf-life of nuclear reactors

Researchers at the University of Michigan, Ann Arbor, Los Alamos National Laboratory, Idaho National Laboratory, Idaho Falls and TerraPower based in Bellevue, Washington, have demonstrated the power of high-energy beams of ...

dateAug 20, 2014 in Materials Science
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Laser makes microscopes way cooler

(Phys.org) —Laser physicists have found a way to make atomic-force microscope probes 20 times more sensitive and capable of detecting forces as small as the weight of an individual virus.

dateAug 15, 2014 in Optics & Photonics
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Physicists create water tractor beam

Physicists at The Australian National University (ANU) have created a tractor beam on water, providing a radical new technique that could confine oil spills, manipulate floating objects or explain rips at ...

dateAug 10, 2014 in General Physics
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Creating optical cables out of thin air

Imagine being able to instantaneously run an optical cable or fiber to any point on earth, or even into space. That's what Howard Milchberg, professor of physics and electrical and computer engineering at ...

dateJul 22, 2014 in Optics & Photonics
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