Do you know how many eyes Popular Mechanics home editor Roy Berendsohn has? Two. And that's thanks to his diligent wearing of safety goggles. On this episode, we'll learn what items Roy deems essential to wear when doing work, plus how to make sure your house isn't leaking heat or air conditioning. Meanwhile, technology editor Alex George has some ideas about products you can bring back to school, and we test out a recipe from PM's How to Make Anything issue: Shaking butter in a ball jar.  Learn more about your ad choices. Visit podcastchoices.com/adchoices