From the ancient Romans, through the Middle Ages, to the late of the nineteenth century, the Aristotelian doctrine of spontaneous generation was one of the most basic laws. Even the invention of the microscope and investigations of Leeuwenhoek and Hook d
Whereas discovery of new theories and hypotheses was the subject of extensive philosophical discourse,Footnote4philosophers paid much less attention to the philosophy of discovery of factual entities. Three factors contributed to this asymmetry. First, because philosophy of science of the nineteenth and t...
如: -scope 探测仪器 -meter 计量仪器 -graph 记录仪器 microscope显微镜 barometer 气压表 tomograph X线体层照相 telescope 望远镜 telemeter 测距仪 telegraph 电报 spectroscope 分光镜 spectrometer 分光仪 spectrograph 分光摄像仪 -able可能的 -ware 件(部件) -ity 性质 enable 允许、使能 hardware 硬件 reliability ...
π的计算历史(The calculation history of PI) Popular science article The calculation process of PI PI is one of the most famous number. From the beginning of recorded history, this number has attracted the interest of laymen and scholars. As a very important constant, PI is the first to solv...
Such an image is formed in a microscope or telescope and can be seen by looking into the eyepiece. Kepler’s concept of an image as being formed by the crossing of rays was limited in that it took no account of possible unsharpness caused by aberrations, diffraction, or even defocussing....