Communities (8)
Top network posts
- 18 Why were balls used on the Medici coat of arms?
- 15 Were there any pilots that declined to carry out the atomic bombing of Hiroshima and Nagasaki?
- 15 If 5 points are necessary to determine a conic, why are only 3 necessary to determine a parabola?
- 13 Why didn't China vote in UNSC Resolution 344?
- 12 Have there been any nuclear accidents in the US at nuclear facilities which were not "commercial"?
- 7 Is $\sum\limits_{k=0}^{n} {{n}\choose{k}}\frac{(-1)^{k}}{2k+2}$ equal to $\frac{1}{2n+2}$?
- 5 Where can I find ranges of isotope abundances?
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