Gadgets

Finkbuilt opaque projector

Finkbuilt opaque projector

Steve Lodefink has posted the results of his opaque projector build, using the giant lens he got from American Science & Surplus (see previous post below). The results are beautiful. Love the Plasticote wrinkle paint, the BelAir logo, and the Fender amp power jewel. Opaque Projector – Link Related: Huge lens: project or paperweight? – […]

Fire-powered, bean-tin battery charger

Fire-powered, bean-tin battery charger

Here’s one for the Hobo Tech file, it’s allegedly a “battery charger” that employs the Peltier-Seebeck effect — using a heat differential to generate a voltage (Seebeck Effect) and using a voltage to create a heat differential (Peltier Effect). Too bad there’s no info on the site except this captioned image. Seebeck battery charger – […]