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15 godz. temu · Miles M.39B Libellula: Miles M.39B Libellula: SW344 Avro Lancaster: 1952 Luqa Avro Lancaster crash: ... Cierva W.11 Air Horse Cierva W.11 Air Horse: G-ALHE Canadair C-4 Argonaut: 1956 BOAC Argonaut accident: ... Hybrid Air Vehicles HAV 304 Airlander 10: G-REDL Eurocopter AS332-L2 Super Puma Mk.2: April 2009 North Sea helicopter crash:
15 godz. temu · Impact event. Damage to trees caused by the Tunguska event. The object, just 50–80 metres (150–240 feet) across, exploded 6–10 km (4–6 miles) above the surface, shattering windows hundreds of km away. An impact event is a collision between astronomical objects causing measurable effects. [1]
15 godz. temu · Nuclear plant accidents The abandoned city of Pripyat, Ukraine, following the Chernobyl disaster.The Chernobyl nuclear power plant is in the background. The world's first nuclear reactor meltdown was the NRX reactor at Chalk River Laboratories, Ontario, Canada in 1952.. The worst nuclear accident to date is the Chernobyl disaster which occurred in 1986 in the Ukrainian SSR, now Ukraine.
15 godz. temu · Etymology. Shinkansen (新幹線) in Japanese means 'new trunk line' or 'new main line', but this word is used to describe both the railway lines the trains run on and the trains themselves. In English, the trains are also known as the bullet train. The term bullet train (弾丸列車, dangan ressha) originates from 1939, and was the initial name given to the Shinkansen project in its earliest ...
15 godz. temu · Temperature is a physical quantity that quantitatively expresses the attribute of hotness or coldness. Temperature is measured with a thermometer.It reflects the average kinetic energy of the vibrating and colliding atoms making up a substance.. Thermometers are calibrated in various temperature scales that historically have relied on various reference points and thermometric substances for ...
