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Float Glass in Top 50 Inventions
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 In the past half-century, scientific and technological advances have transformed our world. PM convened a panel of 25 experts to identify innovations that have made the biggest impact, from the hospital to outer space to the kitchen. Here, then, are the breakthroughs of our time.
1959--FLOAT GLASS
There's a reason old windowpanes distort everything: They were made by rapidly squeezing a sheet of red-hot glass between two hot rollers, which produced a cheap but uneven pane. British engineer Alastair Pilkington revolutionizes the process by floating molten glass on a bath of molten tin--by nature, completely flat. The first factory to produce usable float glass opens in 1959; an estimated 90 percent of plate glass is still produced this way.
All inventions on the source link...
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February 28th, 2006
Photo: Popularmechanics.com
Source: Popularmechanics.com |
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