Maybe you've seen the video that's been going around Facebook that shows how you can use a mix of rubbing alcohol and water to spray the frost away on your windshield.  It was made from a meterologist in Tennessee, and he makes it looks like we are dummies for scraping away all these years.   So I tried the mixture out on a few icy windows in our parking lot.

Here's the original video showing how it's supposed to work.

First, I know that this is more than just frost.  That's obvious.  But the principle should apply right?   Check out the video!