When they freeze water droplets break apart sending ice in all directions. This was only found with cameras that can capture this in unprecedented detail from the initial crystallization to the final explosion.... awesome right?
https://physics.aps.org/synopsis-for/10.1103/PhysRevLett.118.084101
https://physics.aps.org/synopsis-for/10.1103/PhysRevLett.118.084101
