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2. History of nuclear power - Wikipedia

   en.wikipedia.org/wiki/History_of_nuclear_power

   Russia now largely relies upon, builds and exports a variant of the PWR, the VVER, with over 20 in use today. An international organization to promote safety awareness and the professional development of operators in nuclear facilities, the World Association of Nuclear Operators (WANO), was created as a direct outcome of the 1986 Chernobyl ...

3. 0 - Wikipedia

   en.wikipedia.org/wiki/0

   0 (zero) is a number representing an empty quantity.Adding 0 to any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures.

4. ISO 3166-1 alpha-2 - Wikipedia

   en.wikipedia.org/wiki/ISO_3166-1_alpha-2

   The United Nations uses a combination of ISO 3166-1 alpha-2 and alpha-3 codes, along with codes that pre-date the creation of ISO 3166, for international vehicle registration codes, which are codes used to identify the issuing country of a vehicle registration plate; some of these codes are currently indeterminately reserved in ISO 3166-1.

5. Area codes 416, 647, and 437 - Wikipedia

   en.wikipedia.org/wiki/Area_codes_416,_647,_and_437

   A new overlay area code, 437, started operation on March 25, 2013. [6] [7] That effectively allocates 24 million numbers to a city of 2.5 million people. Area code 942 is scheduled for addition to the 416/647/437 overlay on April 26, 2025. [8] Area code 387 has been reserved for Toronto's future use.

6. Rayon - Wikipedia

   en.wikipedia.org/wiki/Rayon

   Lenzing began a pilot plant in 1990, [20] and commercial production in 1997, with 12 metric tonnes/year made in a plant in Heiligenkreuz im Lafnitztal, Austria. [20] [23] When an explosion hit the plant in 2003 it was producing 20,000 tonnes/year, and planning to double capacity by the end of the year. [26]

7. Railgun - Wikipedia

   en.wikipedia.org/wiki/Railgun

   [19] [20] Topics of research included plasma dynamics, [21] electromagnetic fields, [22] telemetry, [23] and current and heat transport. [24] While military research into railgun technology in the United States ensued continuously in the following decades, the direction and focus that it took shifted dramatically with major changes in funding ...