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sixpenceee: Geometric Pond Ice in South Oregon. This occurs because of undisturbed slow freezing. The lake was kept just at or slightly below the freezing point for a significant amount of time. The center of each triangle is a nucleation site. The
coolsciencegifs: Pouring an ice cube using supercooled water: The temperature of the liquid water is reduced below its freezing point, without becoming a solid. The ice wont form without the presence of a nucleation point (a crystal or impurity around
rosythumbelina: Fluorescent calcite crystals nucleated on tiny spherical nodules of black manganese oxides (pyrolusite
sixpenceee:Geometric Pond Ice in South Oregon. This occurs because of undisturbed slow freezing. The lake was kept just at or slightly below the freezing point for a significant amount of time. The center of each triangle is a nucleation site. The slower
