In Steven Spielberg’s 1977 film Close Encounters of the Third Kind, the first conversation between humans and aliens is a duet of music and visuals. The film’s narrative doesn’t offer even a tentative ...

We’re suckers for any project that’s nicely packaged, but an added bonus is when most of the components can be sourced cheaply and locally. Such is the case for this little laser light show, housed in ...

[Trent] is one of those guys who can make things happen. A friend of his gifted him a mannequin derriere simply because he knew [Trent] would do something fun with it. “Something fun” turned out to be ...

I have had many requests for this circuit. It was a very popular unit years ago. The basic idea of the project is to make different colored bulbs light at different frequencies of music. The circuit ...