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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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Portland cement
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Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout. It was developed from other types of hydra
Bags of Portland cement wrapped and stacked on a pallet.
Bags of Portland cement wrapped and stacked on a pallet.
Blue Circle Southern Cement works near Berrima, New South Wales, Australia.
Blue Circle Southern Cement works near Berrima, New South Wales, Australia.
Plaque in Leeds, England commemorating Joseph Aspdin
Plaque in Leeds, England commemorating Joseph Aspdin
William Aspdin is considered the inventor of "modern" Portland cement.
William Aspdin is considered the inventor of "modern" Portland cement.
Hydraulic lime
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Hydraulic lime is a general term for a variety of lime different from calcium oxide that sets by hydration, and consists of calcium silicate and calcium aluminate, compounds that can harden in contact
Smeaton's Eddystone Lighthouse. John Smeaton is credited with pioneering hydraulic lime in the 18th century, which led to the development of Portland
Smeaton's Eddystone Lighthouse. John Smeaton is credited with pioneering hydraulic lime in the 18th century, which led to the development of Portland cement and thus modern concrete. Painting by John Lynn.