Doesn’t have to be pure for that! I’ve seen it happen with those cheap plastic sleeve popsicles. It’s kind of fun flicking them and watching the ice radiate through.
Comment on Anon finds a glitch
fibojoly@sh.itjust.works 3 days agoSounds like the same thing that happens at 0°C with very pure water that stays liquid, but shake it and bam! It insta-freezes.
reptar@lemmy.world 3 days ago
Kellenved@sh.itjust.works 3 days ago
Sometime water bottles display this trait in temps just below freezing. Liquid water in the bottle but break the seal and pop! Frozen