to enrich their lives? The generator itself is mostly 3D printed, with the magnets producing current in eight copper coils as they spin past. Courtesy of the 4.5:1 gear on the crank side, it actually spins at over 1,000 RPM with fairly low effort when unloaded, albeit due to the omission of iron cores in […]
Bears! Are they scared of massive arcs that rip through the air, making a lot of noise in the process? [Jay] from the Plasma Channel sure hopes so, because that’s how his bear deterrent works! [Jay] calls it the Bear Blaster 5000. Right from the drop, this thing looks like some crazy weapon out of […]
One of the projects at the recent Hacker Hotel hacker camp in the Netherlands appeared to have achieved the impossible. A vertical PCB surface was holding pieces of paper as though they were pinned to it as on a notice board, yet there was no adhesive or fixings in sight. Was Harry Potter among the […]