/u/mabolle's posts in /r/askscience

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Chemically speaking, is there anything besides economics that keeps us from recycling literally everything?

5299 upvotes

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When the heart beats faster, the contractions are closer together in time. But is each contraction itself also faster?

2953 upvotes

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In the interest of not perpetuating misconceptions, what is the ACTUAL mechanism behind osmosis?

20 upvotes

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What is the temporal scale of weather autocorrelation? To what extent is there such a thing as a "cold year" or a "warm year"?

19 upvotes

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How does a gear train increase torque?

17 upvotes

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How useful is the mean deviation? Is its disuse more a result of historical accident or mathematical necessity?

8 upvotes

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Why is there sometimes a halo of light around a plane's shadow on the ground (at least when seen from the plane)?

8 upvotes

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Why do the engines of an airplane periodically change their noise level while during cruising?

1 upvotes

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In machine learning, are weights randomly adjusted between training runs?

1 upvotes

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Earth is blown apart. What happens next?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Chemically speaking, is there anything besides economics that keeps us from recycling literally everything?	5299
When the heart beats faster, the contractions are closer together in time. But is each contraction itself also faster?	2953
In the interest of not perpetuating misconceptions, what is the ACTUAL mechanism behind osmosis?	20
What is the temporal scale of weather autocorrelation? To what extent is there such a thing as a "cold year" or a "warm year"?	19
How does a gear train increase torque?	17
How useful is the mean deviation? Is its disuse more a result of historical accident or mathematical necessity?	8
Why is there sometimes a halo of light around a plane's shadow on the ground (at least when seen from the plane)?	8
Why do the engines of an airplane periodically change their noise level while during cruising?	1
In machine learning, are weights randomly adjusted between training runs?	1
Earth is blown apart. What happens next?	1