What of the lowly page number An Article by Marlon J. Ettinger theoutline.com Statement of intent, chronological guidepost, or cheap trick to inflate the length of a text, page number placement is anything but an afterthought. Behind these innocuous and overlooked symbols, I found many stories to be told. typography
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