News tagged with laser

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Nanotech process makes heat-resistant dyes

You may have heard about the hazards posed by pranksters who shine laser pointers at airplanes during takeoff or landing. One way to keep those beams of concentrated light from blinding pilots is to incorporate ...

Oct 03, 2014
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Ultra-thin light detectors

A new, extremely thin kind of light detectors was created at Vienna University of Technology. Two very different technologies were combined for the first time: metamaterials and quantum cascade structures.

Mar 27, 2014
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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 ...

Sep 24, 2014
4.5 / 5 (54) 41

Nanotube cathode beats large, pricey laser

Scientists are a step closer to building an intense electron beam source without a laser. Using the High-Brightness Electron Source Lab at DOE's Fermi National Accelerator Laboratory, a team led by scientist ...

Sep 30, 2014
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More efficient transformer materials

Almost every electronic device contains a transformer. An important material used in their construction is electrical steel. Researchers have found a way to improve the performance of electrical steel and ...

Oct 01, 2014
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