3 ms·

The pictures made me think of this: https://www.physics.utoronto.ca/~smorris/edl/icespikes/icespikes.html https://www.physics.utoronto.ca/~smorris/edl/icespikes

• dendrite9 4y ago
  Oh that is interesting. There also are ice ribbons, flowers and needle ice. The ice flowers seem to be created by a similar mechanism but the hole is in a plant rather than the top of a container of water. https://www.americanscientist.org/article/flowers-and-ribbons-of-ice https://www.americanscientist.org/article/flowers-and-ribbon...