/u/Math-Code-Love's posts in /r/askscience

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Why is the gravitational constant, a value that is fundemental to so many fields of science, only know to within 4 significant digits? What about this figure is so intrinsically difficult to measure?

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Gravity can be described as the curvature of spacetime, which can be visualized as bowling ball dropped onto a stretched rubber sheet, but what is that rubber sheet actually composed of? What is the "material" of spacetime and how does it's deforming inspire planetary movement?

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What is the optimal human diet?

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How do taxonomists know whether a given organism has already been identified? What prevents them from "discocering" new animals that had already been, uknowingly to them, been identified? h

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Are there any compressable liquids?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is the gravitational constant, a value that is fundemental to so many fields of science, only know to within 4 significant digits? What about this figure is so intrinsically difficult to measure?	6959
Gravity can be described as the curvature of spacetime, which can be visualized as bowling ball dropped onto a stretched rubber sheet, but what is that rubber sheet actually composed of? What is the "material" of spacetime and how does it's deforming inspire planetary movement?	2
What is the optimal human diet?	2
How do taxonomists know whether a given organism has already been identified? What prevents them from "discocering" new animals that had already been, uknowingly to them, been identified? h	2
Are there any compressable liquids?	1