335K views · 3.4K reactions | Supersaturated crystal eruption  | The Action Lab | Facebook

40K views · 687 reactions | It just takes one small nudge to spark the transformation of a seemingly stable liquid into a solid.  The liquid – a supersaturated solution of sodium acetate – consists of water with more dissolved sodium acetate salt than can be stably sustained. When Andy drops in a salt crystal, he provides the kick needed to start the transformation into the more thermodynamically favourable solid state | Royal Institution of Great Britain | Facebook