Hardware hacking projects for geeks: [learn how to: build your own arcade machine, install a cubicle instrusion detection system, make an aquarium out of an old Mac, create a remote object tracker, build a web-enabled coffee machine, hack a wearable computer, program radio-controlled cars, build your own digital video recorder, hack a building-size display, build a laptop battery extender, make a video periscope for your car, and more ...]