What to do when it's late at night and your high schooler says his table wasn't able to complete their physics lab today because they were missing equipment, and the teacher said, maybe half jokingly, that they could complete the lab at home if they didn't finish it in class? That's right, you build experimental equipment in your garage. This is the Interial Balance we built from scratch using two hacksaw blades.

We do large displays for Halloween, usually involving converting the garage into a haunted house. They're major undertakings, with four or more actors, so we only do them every other year. I also try to roll a "build" into every Halloween. For example, 6 years ago I built this as part of the haunted house: And two years ago the same skeleton got taken out of the jail and laid out on a table, this time animated with pneumatics.

.controls button:hover { background: #eee; } .controls button { padding: 1em; background-color: white; border: solid gray 1px; } A sound effects board with the sounds of a dragon built using the Web Audio API. Because Halloween. Start Snoring Stop Snoring Sniff Roar Chains: [Source] Roar: [Source] Sniff: [Source] Snore: [Source] Code function onload() { var audioCtx = new (window.

If time permits for Halloween I like to try to build some sort of prop for our yearly haunted house. This year we moved the haunted house out of the shed and into the garage, and the prop I built was a jailed skeleton, rattling the bars to get out: The skeleton and chain come from our healthy stock of Halloween materials, but the rest of the system was built out of materials I had around the house.