A Brief History of Science: As Seen Through the Development of Scientific InstrumentsConstable, 2001 - 425 من الصفحات From the beginnings of history, with gnomons and sundials, through to the twenty-first century and the 26-kilometre underground particle accelerator, the author describes the way that the design and production of scientific instruments has extended the frontiers of science. Man's desire to understand the universe has led to the making of more and more sophisticated instruments - first to record and measure (Arab numerals, standardised measures), to examine ever more minutely (the microscope, the lens, the prism), on through electromagnets, cathode tubes, thermometers, vacuum pumps, X-rays, counters and accelerators, semi-conductors and microprocessors, down to new instruments now being designed to observe matter at zero temperatures - presenting immense technological problems in the requirement for instruments that can operate in conditions where normal properties no longer hold. Accessible popular science |
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... produced by magnetism . Although during the 1820s Faraday produced no useful results , in Paris Dominique Arago ( 1786-1853 ) experimenting in 1825 with a moving magnet and a copper plate , kept hope alive . Then , on 29 August 1831 ...
... By this time Berkeley was producing isotopes almost on demand , but it was only in 1940 that neutron bombardment produced 14C - a long sought after carbon isotope with a relatively long half - life . Later THE NEW AGE OF PHYSICS 255.
... produced in minute quantities the odd - numbered isotope , ' Pu , of plutonium - a radioactive element with no known natural source . At the beginning of 1941 , therefore , both options were open : 235U and 239Pu could be produced ...
المحتوى
From the mastery of fire to science in antiquity | 1 |
Copernicus to Newton | 35 |
Science technology and communication | 77 |
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