Piezoelectric crystals are fascinating – when physical stress is applied, these materials produce a voltage. The effect can be reversed as well, apply electricity, produce a stress/vibration. Rochelle salt(potassium sodium tartrate) is an easily synthesized piezoelectric substance you can make with readily available items – 500 g (1 lb) of baking soda (sodium bicarbonate)[NaHCO3] 200 […]
Aah, Chris’ groom’s cake is picture-perfect gaming confection – The single most awesome groom’s cake ever. Note the raised buttons made of butter creme frosting. It was delicious. Dibs on the crosspad! – His Cake on Flickr [via Neatorama] More: Gamer wedding cake on CRAFT
Kathleen of Grosgrain Fabulous makes beautiful clothing for her daughters, takes wonderful photos of them modeling and then gives the clothing away. I have no idea why she gives them away, but I love the clothes and her generosity.
Cory Menscher writes: As part of the NYU ITP “5in5” event this week, I created the Asterisk File Transfer Protocol. Using the CSound audio programming language, I wrote a PHP script that converts a binary file into an audio WAV file based on the “Kansas City standard”, created in 1975, for transferring binary files via […]
Micah Carrick has posted some really excellent docs detailing his creation of a line-following robot, now in its 5th generation. The robot project is part of a series of tutorials he’s done on his site about working with AVR microcontrollers. FailureBot 5 – A Line Following Robot [Via ladyada’s ranting]
Botmag, the website for Robot magazine, has a nice piece by Eric Ostendorff on modifications to the Parallax Scribbler robot to control it via a TV remote (which requires some coding, no hardware mods) and to create a charging station for it (which requires both software and hardware work). What’s Up? DOCK! Take Charge of […]
The “Telemegaphone Dale” by Magnus Torstensson and Erik Sandelin is a loudspeaker post on top of Bergkletten in Dale, Norway. To use the project, just call it with your cell phone and your voice is amplified and played out the hilltop speaker. The project officially opens on August 2nd and is part of a larger […]
