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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... chemical reactions , which largely define the subject . ( The developing field of astro- chemistry is still , as shown in Chapter 8 , very restricted in its scope ) . The second point is that chemistry , even at its most esoteric , is ...
... chemical reactions . No wonder argon was given that name , which means ' lazy ' in Greek . Argon was discovered only when it occurred to Ramsay to use chemical reactions to separate the other gases , oxygen and nitrogen , occurring in ...
... chemical structure ' , Only one rational formula is possible for each compound , and when the general laws governing the dependence of chemical properties on P Figure 6.2 Phosphorus pentoxide . chemical structure have been derived ...
المحتوى
From the mastery of fire to science in antiquity | 1 |
Copernicus to Newton | 35 |
Science technology and communication | 77 |
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