By Alv Egeland
This biography conveys the existence and accomplishments of a Norwegian hero to the English talking global, illustrating the beginnings of collaboration among technological know-how and undefined. It exhibits how paintings in a small state laid the root for the fairway revolution.
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Extra resources for Kristian Birkeland: The First Space Scientist (Astrophysics and Space Science Library)
In pioneering this ﬁeld, Birkeland developed many new inventions in vacuum technology. Although he used many different pumps, we discuss only his “mercurial pump, that worked by hydraulic pressure” (NAPE, p. 154) and a rotary mercury pump because we later consider the possibility that his health was seriously affected by chronic mercury poisoning. These pumps gave their full share of technical problems. Whenever a fore pump stopped, drawing oil vapors into the chamber, it took several days to clean it (NAPE, p.
From his window, he could watch trafﬁc on the Karl Johan Gate, Kristiania’s main street. The ofﬁce was crammed from ﬂoor to ceiling with papers, books, maps, and a large globe. During his ﬁrst years as professor he shared the room with his assistant Sem Sæland, whose desk was in a corner of the ofﬁce. Next to the ofﬁce was his small laboratory, also ﬁlled with electric cables and equipment. Early in 1906, Birkeland applied to the University’s Administrators for more ofﬁce and laboratory space. After Birkeland promised to cover all costs, University ofﬁcials agreed to divide a nearby lecture hall in half to provide the extra space.
It appeared that cathode rays were being sucked into the magnetic pole. ” The main conclusion was that artiﬁcial auroral emissions could be produced by cathode rays guided by magnetic ﬁelds. Then he wrote: “The produced bands present such an analogy with the auroral bands that no doubt is possible, we see the evidence that the two phenomena are strongly related” ((Birkeland, 1896). Birkeland found that magnets could focus cathode rays to the size of a needlepoint on the inner glass wall better than an optical lens could focus visible light.
Kristian Birkeland: The First Space Scientist (Astrophysics and Space Science Library) by Alv Egeland