The microscopic origin of line tension, used in the equilibrium description of liquid drops on flat surfaces, is not well understood. Simulations of water nanodroplets show that structural transitions ...

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A nuclear weapon orbiting Earth would emit neutrons through its interactions with the planet’s space radiation environment, and these could be detected by satellites.

A rational number can be written exactly in the form \(\frac{a}{b}\), where 𝑎 and 𝑏 are integers, while an irrational number cannot.