How SpaceX land first stage boostersThe algorithms that SpaceX (probably) use to control their first stage boosters. Several animations. |
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Maths Exam GeneratorAuto-generated maths exams, with and without answers. Set at A-level / end of high school / beginning of university. |
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Chernobyl SimulationAn attempt to simulate the normal running, and then accident of the Chernobyl nuclear reactor. |
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