'Sewing' with molten glass and maths - BBC News - 1 views
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Alexander Wittig on 04 Jan 16From the section Science & Environment US researchers have developed what they call a "molten glass sewing machine" by combining 3D printing of glass with a mathematical model of how a liquid thread forms different types of loop. When the nozzle releasing a stream of molten glass is raised above a certain level, that thread begins to wobble.