Welcome to The Full Nerd newsletter—your weekly dose of hardware talk from the enthusiasts at PCWorld. Now look, I love Scooby-Doo as much as the next Millennial, but I’m not looking to cultivate a haunted house vibe in my PC case. So I knew it was time for a deep clean, but sadly my trusty ol’ can of compressed air seems to have given up the ghost. But as I started looking around and doing a little digging, I found myself asking more questions than I answered. Jon Martindale / FoundryNow I’m wise enough to stop the fans from spinning before I start blowing air through my case, but I’m still nervous about the threat of static electricity.