Светильник светодиодный Navigator "NEL-P-7-4K-LED", 7 Вт

At the age of twenty-two he returned to Glasgow University to take up a professorship in natural philosophy, a position he would hold for the next fifty-three years. In the course of a long career (he lived till 1907 and the age of eighty-three), he wrote 661 papers, accumulated 69 patents (from which he grew abundantly wealthy), and gained renown in nearly every branch of the physical sciences. Among much else, he suggested the method that led directly to the invention of refrigeration, devised the scale of absolute temperature that still bears his name, invented the boosting devices that allowed telegrams to be sent across oceans, and made innumerable improvements to shipping and navigation, from the invention of a popular marine compass to the creation of the first depth sounder. And those were merely his practical achievements. His theoretical work, in electromagnetism, thermodynamics, and the wave theory of light, was equally revolutionary.[11] He had really only one flaw and that was an inability to calculate the correct age of the Earth ...»