Month: January 2009

Postal scale from old CDs

Postal scale from old CDs

I found this interesting instructable about making a postal scale from old CDs. The completed scale seems accurate enough for most peoples needs. Check out the link for more information about the build, including how to accurately calibrate the final scale using quarters. More about making a Postal scale from old CDs

Javascript CAPTCHA decoder

Javascript CAPTCHA decoder

Shaun Friedle created an impressive piece of Javascript which can automatically defeat CAPTCHAs used by the Megaupload file hosting service. While their CAPTCHAs are particularly weak, it’s an impressive Javascript feat that breaks into some new territory, namely Javascript-based optical character recognition. John Resig posted a breakdown of how the software works. Here’s the quick […]