منابع مشابه
The Cavendish Experiment
The quantities ml and ms are the masses of two objects whose spatial separation is R. The value of the constant of proportionality, G, was not known to Newton and, in fact, was not accurately determined until the latter half of the nineteenth century. The calculation of its value was based on the results of an experiment to determine the density of the earth performed by Henry Cavendish, and pu...
متن کاملThe Cavendish Experiment in General Relativity∗
Solutions of Einstein’s equations are discussed in which the “gravitational force” is balanced by an electrical force, and which can serve as models for the Cavendish experiment.
متن کاملMARGARET CAVENDISH AND THE ROYAL SOCIETY by
It is often claimed that Margaret Cavendish was an anti-experimentalist who was deeply hostile to the activities of the early Royal Society—particularly in relation to Robert Hooke’s experiments with microscopes. Some scholars have argued that her views were odd or even childish, while others have claimed that they were shaped by her genderbased status as a scientific ‘outsider’. In this paper ...
متن کاملThe Kraepelinian tradition
Emil Kraepelin (1856-1926) was an influential figure in the history of psychiatry as a clinical science. This paper, after briefly presenting his biography, discusses the conceptual foundations of his concept of mental illness and follows this line of thought through to late 20th-century "Neo-Kraepelinianism," including recent criticism, particularly of the nosological dichotomy of endogenous p...
متن کاملThe Hippocratic Tradition.
The discovery of insulin has entirely changed the prognosis of diabetes in childhood. Whereas in pre-insulin days the outlook was almost hopeless, the patient seldom lived longer than two years, the prognosis now appears to be very favourable. Growth is perfectly normal as are physical andc mental activity, and there does not appear to be any increased susceptibility to infections although the ...
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ژورنال
عنوان ژورنال: Nature
سال: 1974
ISSN: 0028-0836,1476-4687
DOI: 10.1038/249602a0