Tom Scott
Zero-G Experiments on Earth: The Bremen Drop Tower (2017x3)
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In Bremen, Germany, there's a tower more than a hundred metres high: it's called the Fallturm, or the Drop Tower. If you want a cost-effective way to test an experiment in microgravity -- and your project can survive some pretty strong deceleration -- then this might well be a good place for you. And then there's the slingshot...