There’s no project that dives into existential quandaries more than a useless machine, as they can truly illustrate the futility of existence by turning themselves off once they have been powered on.

Get exclusive reporting, live Q&As and ad-free reading. If you thought all of the world's most useless machines were found in the pages of SkyMall or on As Seen On TV infomercials, think again. Those ...

This Arduino board and bundle of lessons is great for beginner and seasoned builders alike. Photo: Cult of Mac Deals The coming internet of things is going to require a lot of, well, things. If you’ve ...