Defog your windows TWICE as fast using SCIENCE- 4 easy steps

It’s the time of year when you get into your car and the windows are all fogged up. The simple way is to hit the defog button and just wait it out. Unfortunately, that can take a little too long. Thankfully, Mark Rober decided to figure out what is the fastest and most efficient way to get the windows cleared up. He says to just do these four steps:

  1. Turn the heater on at full power
  2. Turn on the AC
  3. Turn off the inside air circulation.
  4. Crack the windows open slightly