Category Archives: misc hacks

How a quarter shrinker works

This machine is capable of shrinking coins. What you’re looking at is actually a 3D model of the Geek Groups impulse generator, which is called Project Stomper. The model is used to explain how induction shrinks a quarter to the size of a dime. The grey chamber to the left is a reinforced containment device. […]

Making logic gates out of crabs

Building logic gates out of silicon is old hat, as is building them from discrete transistors, 555 chips, LEGO, and even gears. [Yukio-Pegio Gunji] and [Yuta Nishiyama] from Kobe University, along with [Andrew Adamatzky] from the aptly named¬†Unconventional Computing Centre at the¬†University of the West of England decided they needed a new way to build […]

Radio built from the London Underground map

We love it when PCB artwork is actually artwork. Here’s one example of a radio whose layout mimics the map of London’s subway system. The build is for an exhibit at the London Design Museum. They have an artist in residence program which allowed Yuri Suzuki time and resources to undertake the project. He speaks […]