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Water droplets are not what they seem



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Love the rain | 6 October 2008 | par : remy
A drop of water is not the tear drop shape we often give it, and for a good reason: it is completely round!
Even falling at several metres/second (around 8 metres/second in a downpour), a raindrop is perfectly spherical. It holds this shape due to its molecular structure, so the lines we perceive when it rains are actually an illusion…
Droplets are never more than 6 millimetres in diameter because at that point, the forces that hold them together become weaker than the forces pulling them apart, so they explode!
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