There's been a lot of discussion this winter about the temperature inversion in Grand Junction and why it's been so cold. But how does that really happen?This Steve Spangler science experiment is one of the simplest and coolest demonstrations explaining why temperature inversions occur.

If you try this at home, it can be a little tricky getting the glass bottles flipped. So you might want to try it in the sink or lay out an old towel on the counter to contain any spills.

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