News tagged with laser

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Towards perfect control of light waves

(Phys.org) —A team at the Laboratory for Attosecond Physics (LAP) in Garching (Germany) has constructed a detector, which provides a detailed picture of the waveforms of femtosecond laser pulses. Knowledge ...

Jan 13, 2014
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Twisted graphene chills out

(Phys.org) —When two sheets of graphene are stacked in a special way, it is possible to cool down the graphene with a laser instead of heating it up, University of Manchester researchers have shown.

Sep 17, 2014
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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.

Aug 15, 2014
4.8 / 5 (5) 0

Strange physics turns off laser

Inspired by anomalies that arise in certain mathematical equations, researchers have demonstrated a laser system that paradoxically turns off when more power is added rather than becoming continuously brighter.

Jun 17, 2014
5 / 5 (13) 5

New light on the 'split peak' of alcohols

For scientists probing the electronic structure of materials using a relatively new technique called resonant inelastic soft X-ray scattering (RIXS) in the last few years, a persistent question has been how ...

Oct 14, 2014
4.8 / 5 (6) 1

Superhuman vision

All through his childhood, Ramesh Raskar wished fervently for eyes in the back of his head. "I had the notion that the world did not exist if I wasn't looking at it, so I would constantly turn around to see ...

Oct 07, 2014
4.7 / 5 (9) 1

How NASA builds a space laser

To build a satellite that will measure all the bumps and dips of our dynamic Earth, engineers started with a black box, built of a composite honeycomb material to make it as light as possible.

Jun 04, 2014
4.9 / 5 (7) 3

Separation of para and ortho water

(Phys.org) —Not all water is equal—at least not at the molecular level. There are two versions of the water molecule, para and ortho water, in which the spin states of the hydrogen nuclei are different. ...

Sep 18, 2014
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