Cool effect

At the hospital they said the Polar Care Cube could work with frozen disposable water bottles as well as ordinary ice, so we tried that. I popped 8 clear water bottles into the deep freeze, and in the meantime we made do with icecubes.

Several hours later it was time for ice again. I went to the deep freeze. The four bottles I picked out were crystal clear, and unfrozen. Oh well, at least they'd be somewhat cold.

In my hands, in just a few seconds, the water turned opaque white starting at the cap end and moving down the bottles. There was a little liquid left unfrozen, but at least half of the contents in each bottle had frozen solid in five seconds. Supercool!