Month: May 2008

555 timer cake

From the MAKE Flickr photo pool For InterAccess’ “555 Timer Night” at Open Studio, they made this 555 IC cake, inspired by EMS Labs’ circuitry snacks. Nice to have the data sheet handy so you know what you’re eating. Those 23 transistors, 2 diodes, and 16 resistors may look hidden inside that tiny DIP, but […]

Curta calculator

Curta calculator

Very cool Curta calculator via jwz. The Curta was a small, hand-cranked mechanical calculator introduced in 1948. It had an extremely compact design, a small cylinder that fit in the palm of the hand. It could be used to perform addition, subtraction, multiplication, division, and, with more difficulty, square roots and other operations. The Curta’s […]

20 Cipher devices

A collection of 20 cipher devices @ ooject. The Enigma variations. The Enigma is one of the most well known devices in the history of gadgets, being responsible for the birth of the computing industry, in attempts to crack it. This has largely overshadowed the plethora of other cryptographic devices, which are often overlooked. Here […]

Aluminum foil is a scissor sharpener

I got sucked into reading one of those 15 amazing things you never knew about aluminum foil articles. One of the claims was that you could sharpen a pair of scissors by cutting aluminum. It sounded about as plausible as mending a broken leg by driving it over with a station wagon, but I’ll be […]