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 ...

When the [Director of Legal Evil] at Louisville’s LVL1 Hackerspace decided to demonstrate the uselessness of a 3D printer by printing a fidget spinner, another member at the space’s Tuesday meeting ...

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.