Between 1589-1592, Galileo's experiments with gravity from the top of Leaning Tower of Pisa became stuff of legend and are commonly used in school textbooks today to help children understand the relation between mass and gravity. But is it possible to disprove Galileo, and have two objects of different mass descend at the same speed? It can be done, if one has the scientific resources of NASA! Watch 'Human Universe' to find out the story behind this surprising experiment, every night at 8 PM. #F

You may have heard that all objects fall at the same rate regardless of their mass, but of course in everyday life this doesn’t appear to be the case. That’s because there are typically two forces acting on falling objects on Earth: gravity and drag. If you were to remove the effect of drag (either by pumping out air like in this video or my preferred option of flying myself to the Moon), you will see that all objects do fall at the same rate | Fadhel Mahdi

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