Month: August 2007

DIY Rubens tubes!

DIY Rubens tubes!

W. writes – A Rubens Tube uses fire to visually demonstrate the compression effects of soundwaves. Think Winamp’s little oscilloscope, but on fire. The construction of these tubes were documented by two people independently, and submitted simultaneously for Instructable.com’s Science Fair. More! The Rubens’ Tube: Soundwaves in Fire! – Link. Wiimote Rubens Tube: Control Fire […]

“Bias” Knit Scarf

“Bias” Knit Scarf

A pattern for you all on this lovely Wednesday! Materials: Two size 9 (5.5 mm) straight needles Three skeins of Koigu (I used two yellow and one varigated green), I got it at Purl How to ‘knit on the bias’: Cast on three stitches. Next row: Increase by one, p1, k1, p1, increase one. For […]

MemPot v1.0, potentiometer with a memory

MemPot v1.0, potentiometer with a memory

Dnny writes – MemPot is a control interface for circuit bent instruments and sound generators. MemPot is a built around PIC 16F819 microcontroller that reads analog resistances, records them to memory and plays them back via digital potentiometer DS1267 chip. The memory buffer size and the playback speed can be adjusted.site includes all plans for […]

Home Carbonation System

Kevin Kelly published a tutorial on making your own carbonated beverages by Alastair Ong. In this really terrific tutorial he writes, “I drink a lot of seltzer. So much that my fiancee says I couldn’t survive without bubbles in my water. After trying a SodaClub home soda maker (picture above right) and realizing it would […]