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...
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’...
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...
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...
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...
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 ...
Invention 1: The new light bulb is made of special glass that can last 25 years or more. It is green and environment-friendly,and as bright as the old light bulbs, but it costs $ 30.Invention 2: The Donkey Bike has a strong steel bar (条;棒)running along it. It can carry both ...
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...