No audio available for this content. A Google Street Car in miniature uses Dexter Industries’ dGPS sensor (Photo courtesy of Mark Crosbie.) Aspiring engineers, take note. A company dedicated to ...

This simple Galvanic Skin Response (or lie detector, in layman’s terms) is made out of Lego motor wire and aluminum foil. It determines the electrical resistance of your fingers by measuring how ...

When I was a wee lad, Lego were dead simple: nearly every piece was a square or a rectangle, and if you were lucky, you could split two pieces off of each other without breaking a finger. Consider my ...

This is a home made Galvanic Skin Response sensor (a.k.a. lie detector). It's just a Lego motor wire and aluminium foil hooked up together to your fingers, giving an electrical reading to fingers, by ...