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371 to 380 of 501 articles
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Energy and the Environment
Solar Energy
Renewable Energy
Geomagnetic Storms
Environmental Science
Graphene
Solar cell
A solar cell (or a "photovoltaic" cell) is a device that converts photons from the sun (solar light) into electricity. In general, a solar cell that includes both solar and nonsolar sources of light ... > more -
Inversion (meteorology)
A temperature inversion is a meteorological phenomenon in which air temperature increases with height for some distance above the ground, as opposed to the normal decrease in temperature with height. ... > more -
Genetic code
The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells. Specifically, the code ... > more -
Fertilizer
Fertilizers or fertilisers are compounds given to plants with the intention of promoting growth; they are usually applied either via the soil, for uptake by plant roots, or by foliar spraying, for ... > more -
Bering Strait
The Bering Strait is a sea strait between Cape Dezhnev, Russia, the easternmost point (169 degrees 43' W) of the Asian continent and Cape Prince of Wales, Alaska, the westernmost point (168 degrees ... > more -
Super Outbreak
The Super Outbreak (sometimes called Jumbo Outbreak) is the largest tornado outbreak on ... > more -
Air conditioning
An air conditioner (AC or air-con) is an appliance or mechanism designed to extract heat from an area using a refrigeration cycle. In construction, a complete system of heating, ventilation and air ... > more -
Natural gas
Natural gas, commonly referred to as gas, is a gaseous fossil fuel consisting primarily of methane. It is found in oil fields and natural gas fields, as well as—in smaller quantities—in ... > more -
Oceanic trench
The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They also are the deepest parts of the ocean floor. Trenches define one of the most important ... > more
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