What is something crazy that Charles Babbage has done?
That depends on your definition of crazy. While there is nothing mentioned in Babbage’s biography that I would consider odd or crazy by today’s definition, Babbage’s peers certainly thought his Difference Engine was a strange contraption, particularly since he wasn’t able to make it work as intended. 18th-century skeptics referred to the early prototypical computer as “Babbage’s Folly.