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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... mass'.29 Physics now provides endless examples of the relevance of mass : to give but one , it determines the quantity of heat required to raise the temperature of a body by a prescribed amount . For Newton , however , mass was ...
... mass is simply colossal . At 10-5 grams this may not be immediately obvious , but this is the mass of a single particle , where that of a proton is 10-27 grams . The equivalent energy of the Planck mass is 1019 gigaelectronvolts , where ...
... mass of a star . Once again , the problem would be solved if , first , for given stars the mass could be calculated , and , second , for a sufficient number of such stars , the mass could be consistently related to magnitude . The first ...
المحتوى
From the mastery of fire to science in antiquity | 1 |
Copernicus to Newton | 35 |
Science technology and communication | 77 |
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