Using PVC pipe as a pressure vessel for compressed air can be a fun and enjoyable hobby ... but a bit of acrylic spray paint applied to the outer surfaces held the air in. While it’s not ...

You don’t need any of that chemical nonsense to just have fun, though, as this compressed air cannon from [OtisLiu153] demonstrates. The build uses PVC pipes for both the barrel and the air tank.

So do that. Get rid of any gunk that's stuck in your keyboard using compressed air. Then you can spray your microfiber cloth — here's my imaginary microfiber cloth — with your electronics cleaner.

You'll want to secure the can in a stable location, and spray it down with compressed air. Thoroughly blast the sides but avoid hitting the drinking area. In under a minute, the beer will turn ...