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Within 3 months, he was producing glass for appliances, and for display cases; within 3 years, Permaglass was a leading manufacturer of glass plates for television sets. As the auto and electronics industries boomed in the 1950s, Permaglass was very successful.
The site of Kopia, in Uttar Pradesh, is the first site in India to locally manufacture glass, with items dating between the 7th century BCE to the 2nd century CE. [22] Early Indian glass of this period was likely made locally, as they differ significantly in chemical composition when compared to Babylonian, Roman and Chinese glass. [21]
Shuman sunengine on the March 1916 cover of Hugo Gernsback's The Electrical Experimenter Shuman sunengine 1907 Photo: Technical World magazine, September 1907. Frank Shuman (/ ˈ ʃ uː m ə n /; January 23, 1862 – April 28, 1918) was an American inventor, engineer and solar energy pioneer known for his work on solar engines, especially those that used solar energy to heat water that would ...
Scheffler cooker at JNV school in Leh, India.. Wolfgang Scheffler (born 1956) is the inventor/promoter of Scheffler Reflectors, large, flexible parabolic reflecting dishes that concentrate sunlight for solar cooking in community kitchens, bakeries, and in the world's first solar-powered crematorium. [1]
These glass-blown beauties are heating up the design world. ... "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." ... The collection is made up of 105 ...
It has been proposed that glass eye covers in hieroglyphs from the Old Kingdom of Egypt (c. 2686–2181 BCE) were functional simple glass meniscus lenses. [39] The so-called Nimrud lens, a rock crystal artifact dated to the 7th century BCE, might have been used as a magnifying glass, although it could have simply been a decoration. [40] [41 ...
The legend of Archimedes gave rise to a considerable amount of research on burning glasses and lenses until the late 17th century. Various researchers from medieval Christendom to the Islamic world worked with burning glasses, including Anthemius of Tralles (6th century AD), Proclus (6th century; [5] who by this means purportedly destroyed the fleet of Vitalian besieging Constantinople), Ibn ...
The glass squid from the family Cranchiidae is nearly transparent with the exception of a few body parts, such as its eyes. When predators look down from below, they are searching the water for ...