A zipper, zip, fly, or zip fastener, formerly known as a clasp locker, is a commonly used device for binding the edges of an opening of fabric or other flexible material, such as on a garment or a bag.
invented by Sir William Armstrong
A hydraulic accumulator is a pressure storage reservoir in which an…
invented by Charles Persons
A steam turbine is a machine that extracts thermal energy from pressurized…
invented by Sir William Crookes
The Crookes radiometer (also known as a light mill) consists of an airtight…
invented by Charles Martin Hall Paul Heroult
The Hall–Héroult process is the major industrial process for smelting…
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Inventions that changed the world
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