Get unlimited access to ad-free articles and exclusive content. 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 ...

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.

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 ...