In the morning, a TV presenter assured the audience that the forecast definitely promised no rain. And in the afternoon, all credulous persons who had left umbrellas at home were caught by a heavy shower. Weather forecasting is a difficult and thankless task. Factors are multiple, it is practically impossible to take them all into account, therefore the forecast may be only probabilistic. However, people tend not to notice accurate forecasts, but discuss mistakes for a long time.
Nevertheless, now accuracy of forecasts, at least – that of heavy showers and hail forecasts – may be significantly increased. The hope for that is provided by research by Moscow scientists – specialists of the hydrometeorological scientific research center of Russia and their colleagues from the PLANETA Scientific Research Center for Space Hydrometeorology. The method they suggest would not require new experimental data; the data currently available is sufficient, but it will be possible now to draw out much more information from it.
The researchers recounted their development at the Second Open All-Russian Conference “Up-to-date problems of remote probing of the Earth from space”.
Sergey Komarov | alfa
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In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
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A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
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07.12.2016 | Health and Medicine