The little spheres represent water molecules. Molecules are in constant motion. The attractions water molecules have for each other keep them close together. They can move past each other, but their ...

Earlier this week we broke down the complexities of mixed-phase precipitation forecasting.Within that we briefly touched on a key component to that complexity w ...

the water evaporating, and the salt crystals re-forming. Dissolving a solid in a liquid depends on the interactions and attractions between the molecules of the liquid (solvent) and the particles of ...