Research in Germany has produced the first demonstration of harmonic mode-locking in a self-mode-locked VECSEL. Such devices have the potential to provide pulsed sources across the achievable spectral range of VECSELs, without ...
General Physics
Mar 31, 2014
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Siemens is "teaching" wind turbines how to automatically optimize their operation in line with weather conditions. The turbines are learning to use sensor data on parameters such as wind speed to make changes to their settings. ...
Energy & Green Tech
Mar 12, 2014
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Changes in the sun's energy output may have led to marked natural climate change in Europe over the last 1000 years, according to researchers at Cardiff University.
Earth Sciences
Mar 9, 2014
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Negotiators in Geneva might not have brought the conflict in Syria to an end last week, but work recently published by an academic from Radboud University in the Netherlands explains how the 2006–10 drought contributed ...
Environment
Feb 27, 2014
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(Phys.org) —University of Leeds researchers have taken the lead in the race to build the world's most powerful terahertz laser chip.
General Physics
Feb 17, 2014
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(Phys.org) —With one stomp of his foot, Zhong Lin Wang illuminates a thousand LED bulbs – with no batteries or power cord. The current comes from essentially the same source as that tiny spark that jumps from a fingertip ...
Nanophysics
Dec 10, 2013
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An instrument that measures the sun's energy output is in orbit after it was launched last night on the U.S. Air Force's Space Test Program Satellite-3. The satellite was aboard a Minotaur I rocket that launched at 8:15 p.m. ...
Space Exploration
Nov 21, 2013
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Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a novel method for measuring laser power by reflecting the light off a mirrored scale, which behaves as a force detector.
General Physics
Oct 23, 2013
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Governments are pressuring industries to reduce energy consumption for both environmental and economic reasons. Optimizing factory processes and improving equipment can lower energy usage but this not only takes time and ...
Energy & Green Tech
Oct 23, 2013
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Researchers modeling how changes in air flow patterns affect wind turbines' output power have found that the wind can supply energy from an unexpected direction: below.
General Physics
Oct 22, 2013
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