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Water In The Dish

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AndiFlatland | 00:22 Fri 29th Nov 2013 | Science
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In a radio telescope, when it rains, what do they do about the water that collects in it? Are there built-in drainage channels, do they turn the dish on its side to allow it to drain out, or do they have guys go up there with yardbrooms and sweep it all out? Or does it not matter if there's water in it?
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I'd guess there's some sort of drainage.
holes all over it
They put a bit of milk in the dish and then unleash the boxed herd of cats that they keep for the purpose.....in the lab around the corner

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Water In The Dish

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