Need to MacGyver yourself out of a situation with a mini torch? Well, you might want to watch this video of how to make a mini butane torch out of some random household components. Built by [Roman ...

[Hyperspace Pirate] built his oxygen concentrator around a pressure-swing adsorption system, which uses two tanks of a molecular sieve to selectively adsorb and purge nitrogen, leaving behind mostly ...

I’m sure we’ve heard about lightsabers, the fictional laser sword made popular by the epic Star Wars films. Until now, lightsabers have been just that, fictional, but laser enthusiast Drake Anthony ...