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Tells the long-running detective tale at the back of the invention and learn of cosmic rays. A topic of his tale is the expertise of detection, for snaring a proton relocating approximately at mild pace is 'no suggest trick."
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Additional info for A Thin Cosmic Rain: Particles From Outer Space
All e-m waves travel with the speed of light, carried by electric and magnetic ﬁelds whose strength at every place oscillates very rapidly. If we could momentarily freeze a wave, we would ﬁnd that it forms an endlessly repeating pattern along which places of maximum ﬁeld strength are regularly —37— t h e e a rt h ’ s m a g n e t i c i n f l u e n c e spaced one wavelength apart. The ﬁelds oscillate many times each second with a well-deﬁned frequency. The general formula for all waves is frquency times wavelength equals speed.
This approach was ﬁrst used by the Norwegian mathematician Carl Störmer starting in 1903, relatively soon after the electron was discovered. As he described it, his inspiration came when “my colleague Kristian Birkeland showed me some of his very beautiful and striking experiments on the movement of cathode rays in magnetic ﬁelds” (The Polar Aurora, preface). 2). The discovery of electrons and the strong correlation between auroral activity and solar activity (such as sunspots) stimulated speculation that auroras might be generated by electrons coming from the sun.
Conﬁrmation of the east-west effect came in 1938 from measurements carried out by Thomas H. Johnson of the Bartol Foundation and the Carnegie Institution of Washington. The inference was clear—the majority of primary CR were positively charged. Improvements in the capacity and speed of computers have enabled researchers to explore the calculation of CR paths in detail unimaginable by Störmer and even by Lemaitre and Vallarta, who worked with an early computer that used electric motors and mechanical linkages.