More Options

Show Print-Only Articles

Skeptical Briefs — Volume 22.4

Winter 2012/2013

Uncovering Secret Messages

Uncovering Secret Messages

by Joe Nickell
Volume 22.4, Winter 2012/2013

Investigative Files

Among my many interests as a boy was cryptography—the study of codes, ciphers, and other secret writings. I sent and received nighttime Morse code messages by flashlight between neighbors’ houses and mine, made and solved cryptograms, used my forensic chemistry lab to make various invisible inks and developers, and even compiled a treatise on the subject.