Viewing a single comment thread. View all comments

Second-Officer-Alex t1_ja6l3p2 wrote

Because is not in contact with the ground, or any warmer/insulated surface. In other words, the water in the freezer is loosing heat all around, not just the top.

10

GalFisk t1_ja6temu wrote

If you live in a place that gets cold enough in the winter, you can see this phenomenon on roads when it starts to get cold. The roadway on bridges will be frost-covered in the morning, because they have had cold air all around them, while roadways the ground is still clear.

5