If you haven’t built and launched water rockets with your kid, you’re missing out on an awesome project. With 10 bucks or so worth of parts, an air pump, and an empty soda bottle or two, you can have ...

When I start off on a “simple” project, experience shows that it’s got about a 10% chance of actually remaining simple. Sometimes it’s because Plan A never works out the way I think it will, due to ...