A fun list - Engineering hoaxes

From Design News magazine:

The 20 Greatest Hoaxes in the History of Engineering
From scandals and cons to faux innovations and pranks, here's a look at the most infamous hoaxes throughout engineering history.

A fun slide-show - everything from The Mechanical Turk chess playing automaton from 1770 through a lot of the late 1800's stuff - perpetual motion, the Keely motor, etc... through to a wonderful pair of videos from the University of Michigan (here and here). They close with the Theranos scam.