In a vacuum, bowling ball and feathers falling as well known at the same speed – what to watch somehow is hypnotic. As early as ca. 55 in. Chr. wrote the Roman philosopher Lucretius in his work „On the Nature of Things“, that falling objects only from the water- or drag to brake and therefore little body slowly, in a vacuum but must all bodies fall equally fast. One interesting feature is also the largest vacuum chamber in the world, which will be examined in the clip. Holy shit!

Brian Cox visits NASA’s Space Power Facility in Ohio to see what happens when a bowling ball and a feather are dropped together under the conditions of outer space.

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Brian Cox visits the world's biggest vacuum chamber - Human Universe: Episode 4 Preview - BBC Two