By Ray Spangenburg
This is often a part of the sequence masking the "Golden Age" of technology, an period whilst technological know-how on the leading edge of human task and scientists have been making nice and interesting advances, either utilized and theoretical. This quantity represents a survey of the main major discoveries of a turbulent interval of worldwide background and a interval of notable medical task together with: the invention of the functionality of DNA and the method of genetics; the invention of radioactivity and X-rays; the improvement of the atomic bomb; nice advances in pharmacology with the improvement of recent medicines to beat previously deadly ailments; and lots more and plenty extra.
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Extra resources for The History Of Science From 1895 To 1945
It worked. This was another way of looking at the atom. At first confusion reigned. Which was right, quanta or wave/particles? Finally Schrodinger showed that the two formulations were equivalent mathematically, publishing his work in 1926. W h i l e this may not have been a satisfying explanation to everyone, it made the physicists happy. It was a mathematically sound atomic theory. " And his equations had worked perfectly. But something didn't quite fit. Then, that same year, another German physicist, Max Born, came up with the idea that what Schrodinger had described with his equation was, not the electron itself, but the probability of finding the electron in any given location.
But all that was later in his career. Earlier, as a young post-graduate, Bohr traveled to Cambridge, and then to Manchester in 1912, where he studied for four years before returning to Copenhagen as professor of physics. There, Bohr was perhaps the only theorist ever to hit it off with Ernest Rutherford. But they were a strange pair, Rutherford brash and exuberant, Bohr speaking not much above a whisper, digging in his mind for the perfect word and, in the words of C. P. Snow, "on not finding it, .
Einstein pointed out that a particular wavelength of light is made up of quanta of fixed energy content, according to quantum theory. W h e n a quantum of energy bombards an atom of a metal, the atom releases an electron of fixed energy content and no other. A brighter light would contain more quanta, still always of fixed energy content, causing the emission of more electrons, also still all of the same energy content. The shorter the light's wavelength (and the higher the frequency), the more energy contained in the quanta and the more 28 energetic the electrons released.