I have been vehemently proselytizing the use of blowing un-air conditioned air on my windshield for about a year now instead of using the A/C as the car cools just as much without using the A/C. ...
Recently in our area there has been a large forest fire and I've been looking into home defense from such things. I am not a physicist - but can do some basic math. I was wondering how I could ...