Curated category
Engineering discoveries
Open 10 carefully selected topics from Engineering, one calm doorway at a time.
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Antikythera mechanismThe Antikythera mechanism ( AN-tik-ih-THEER-ə, US also AN-ty-kih-) is an ancient Greek hand-powered orrery (model of the Solar System) built in the 2nd century BC and discovered in 1901.3 min / Deep
Engineering: BridgeA bridge is a structure designed to span an obstacle, such as a river or railway, allowing vehicles, pedestrians, and other loads to pass across.3 min / Deep
Materials scienceMaterials science is an interdisciplinary field concerned with understanding the relationships between the structure of materials and their properties and using this knowledge to design materials for specific applications.3 min / Deep
Nuclear reactorA nuclear reactor is a device used to sustain a controlled fission nuclear chain reaction.3 min / Deep
Rocket engineA rocket engine, also known as a rocket motor, is a reaction engine, producing thrust in accordance with Newton's third law by ejecting reaction mass rearward, usually a high-speed jet of high-temperature gas produced by the combustion of rocket propellant stored inside the rocket.3 min / Deep
Roman concreteRoman concrete, also called opus caementicium, was used in construction in ancient Rome.3 min / Deep
Engineering: SkyscraperA skyscraper is a very tall building or otherwise permanently habitable structure, typically defined as reaching a minimum height of either 100 metres (328 ft) or 150 metres (492 ft) in height; however, there remains no universally accepted definition of a skyscraper, other than being a high-rise.3 min / Deep
Solar cellA solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by using the photovoltaic effect.3 min / Deep
Suspension bridgeA suspension bridge is a type of bridge in which the deck is hung below suspension cables on vertical suspenders.3 min / Deep
Wind turbineA wind turbine is a device that converts the kinetic energy of wind into electrical energy.3 min / Deep