DEFCON XXI online contest

With DEF CON XXI scheduled for August 1-4, 2013 in Las Vegas, NV, the conference crew has posted an online Human Badge Challenge. The challenge consists of a word search puzzle contaning contest names, along with a hidden puzzle element. Download their Contest PDF for contest and entry rules, puzzle hints and links to submit […]

Jameco Puzzler: a non-electronic voice transmitter?

The legendary Forrest M. Mims, III, created the above puzzler for Jameco. If the radio DJ performing a show while perched on the construction boom drops his cellphone, how can be proceed with his radio show if he is prohibited from touching the ground? Visit the Jameco site for more details, hints and the solution […]