If you were inspired by the movie Frozen and have been wishing you could turn water to ice instantly or build ice sculptures in seconds just like Elsa, youre in luck! First, check out this video that shows you what to do:So how does this happen? Its not witchcraft, its science! Everyone knows that water freezes at 0 °C – or does it? When water freezes, it needs a nucleus in order for the solid crystals to form and become ice. Water is typically full of particles and impurities which have no problem kicking off the crystallization process. However, purified water by definition doesnt have those impurities. With nothing for the water molecules to latch onto, purified water can be supercooled as far as -40°C.