Building & Cities

7 inventionsFilters

Building & Cities

Reinforced Concrete

Steel for tension, concrete for compression

c. 1848V

Building & Cities

Portland Cement

The binder that hardens under water

1824IV

Building & Cities

Arch and Vault

Stones that hold each other up

c. 3,500 BCEII

Building & Cities

Lime and lime mortar

Burnt stone that turns back to stone

10,000 years agoII

Building & Cities

Bricks

Standard blocks of earth

c. 7,500 BCEII

Building & Cities

Roman Concrete

Lime, volcanic ash and rubble

c. 200 BCEIII

Building & Cities

Aqueduct

Water carried by gravity alone

c. 690 BCEIII

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