The Usefulness of Useless Knowledge An Essay by Abraham Flexner press.princeton.edu A curious factRoaming and capriciousUseFreedomThe Institute for Advanced Study+2 More The research agendaThe technology shelf knowledgelearningdiscoveryprogressexperiments
Picking locks with audio technology An Article cacm.acm.org The series of audible, metallic clicks made as a key penetrates a lock can now be deciphered by signal processing software to reveal the precise shape of the sequence of ridges on the key's shaft. Knowing this, a working copy of it can then be 3D printed. A Burglar's Guide to the City crimesecuritysound