News tagged with laser beam

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NRL Nike Laser focuses on nuclear fusion

Researchers at the U.S. Naval Research Laboratory have successfully demonstrated pulse tailoring, producing a time varying focal spot size known as 'focal zooming' on the world's largest operating krypton ...

Mar 20, 2013
4.4 / 5 (10) 0

A new light source for quantum computers

Researchers have discovered a new way of emitting photons one at a time. They have constructed semiconductor nanowires with "quantum dots" of unprecedented quality - a discovery with implications for the ...

Feb 20, 2013
4.6 / 5 (11) 1 | with audio podcast

X-rays capture electron 'dance'

(Phys.org)—The way electrons move within and between molecules, transferring energy as they go, plays an important role in many chemical and biological processes, such as the conversion of sunlight to energy ...

Jan 31, 2013
4.6 / 5 (5) 0 | with audio podcast

A nano-gear in a nano-motor inside you

Diverse cellular processes require many tiny force-generating motor proteins to work in a team. Paradoxically, nature often chooses the weak and inefficient dynein motor to generate large persistent forces ...

Jan 17, 2013
5 / 5 (12) 2

Blackening copper opens new applications

(Phys.org)—Copper is one of the world's most widely used metals. Now researchers at the University of Dundee have found that blackening copper using industry-standard lasers could make it even more adaptable and efficient.

Jan 16, 2013
4.5 / 5 (4) 2 | with audio podcast

Chips that can steer light

If you want to create a moving light source, you have a few possibilities. One is to mount a light emitter in some kind of mechanical housing—the approach used in, say, theatrical spotlights, which stagehands ...

Jan 09, 2013
4.3 / 5 (9) 2 | with audio podcast