Mark Rober, a former NASA engineer, breaks down the quickest way to clear your windshield of fog, and frost.

There are only a few things more annoying than getting into your car and having to wait 10+ minutes so you can see out of the windshield.

The towel analogy is a great way to explain the scientific reasoning behind his method. Check it out!

Rober’s 4 steps to clearing fog from your windshield are:

  1. Turn your car’s heater on full-blast.
  2. Turn your car’s AC on.
  3. Turn off inside air circulation
  4. Crack your windows

I’m glad a former NASA engineer is spending his time making simple videos like this for us common folks. Imagine how easy life could be with Rober’s breadth of knowledge.

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