Chu's Limit—a limit no more

Chu's Limit, a fundamental principle of electromagnetics, dictates that the bandwidth an antenna can function in has a maximum level proportional to the physical size of the antenna—the smaller the antenna, the smaller ...

dateFeb 23, 2017 in Engineering
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Spain to cull 17,000 ducks as bird flu hits

More than 17,000 ducks will be culled in Spain after a highly contagious bird flu strain that has affected poultry throughout Europe was detected at a farm, authorities said Thursday.

dateFeb 23, 2017 in Ecology
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