The Invention of Glass, Microscopes and Telescopes - the advancement of Microbiology and Astronomydoi:10.2139/SSRN.3530651Rochelle Forrester
And he noted that “even in the history of the invention of glasses, that is a late development.” There are 13th-century European examples of handheld convex lenses (凸透镜) that were used to treat age-related vision loss known as presbyopia (We’d call them reading glasses today). But...
The wide use of glass. 76. FGlass,in one form or another,has long been in noble service to humans.As one of the most widely used of manufactured materials,it can be as impressive as a telescope mirror the width of a tennis court or as small and simple as a marble rolling across dir...
invention could produce an impressive 2,500 bottles per hour.Other developments followed rapidly, but it was not until the First World War, when Britain became cut off from essential glass suppliers, that glass became part of the scientific sector.Previous to this, glass had been seen as a cr...
But rocks like quartz, quartz of optical quality, weren’t cheap.Late in the thirteenth century, glassmakers in Italy came up with a less expensive alternative—they made reading stones out of clear glass.And these clear-glass reading stones evolved into the eyeglasses we know today.So we’...
The Invention of Hugo Cabret豆瓣评分:8.9 简介:在线阅读本书 Hugo Cabret,这个住在巴黎火车站巨墙内的孤儿,靠着社会救济金和行窃,勉强过日。但他看似简陋而清苦的生活,其实却隐藏了一个极大的秘密。但这个秘密,却无意间被火车站的玩具零售商和一个热爱书籍
Before the invention of air-conditioning, southern China's skywells played a key role in keeping people's homes cool. Could they do it again today? A skywell, or "tian jing", is a typical feature(特色) of a traditional home in southern and eastern China, which can date back to the Mi...
【题目】Invention 1: The new light bulb is made of special glass that can last 25 years or more. It is green and environment-friendly(环保的), and as bright as the old light bulbs, but it costs ￡30.Invention 2: The Donkey Bike has a strong steel bar(钢条)running along it. It ...
invention could produce an impressive 2,500 bottles per hour.Other developments followed rapidly, but it was not until the First World War, when Britain became cut off from essential glass suppliers, that glass became part of the scientific sector.Previous to this, glass had been seen as a cr...
In effect, the invention of the ribbon machine by Corning in the 1920s lighted a nation. The price of a bulb plunged. Small wonder that the machine has been called one of the great mechanical achievements of all time. Yet it is very simple: a narrow ribbon of molten glass travels over...