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A supercell thunderstorm pelted a city center in Argentina with hailstones so large that scientists have suggested a new category to describe them -- gargantuan hail.National Science Foundation-funded...
The same artificial intelligence technique used in facial recognition systems could help improve prediction of hailstorms and their severity, according to a new study by scientists at the National Cen...
Hail the first sound ‘lasers’(图)     the first phonon "lasers"  coherent sound waves  the megahertz range       font style='font-size:12px;'> 2010/3/26
Two independent groups of physicists have unveiled the first phonon "lasers" – devices that emit coherent sound waves in much the same ways as lasers emit coherent light waves. Sometimes called "saser...
The contemporary economy of Cyprus is mostly based on services; agriculture was by tradition a strong contributor to the economy of the island, but nowadays its contribution is rather limited. At all ...
Hail is a hazardous weather element often accompanying a thunderstorm, as a result of either thermal instability or instability associated with baroclinic synoptic-scale systems (i.e. frontal depressi...

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