Spreadsheet of every TED talk as of 9/2/2009 - Boing Boing

http://www.boingboing.net/2009/09/04/spreadsheet-of-every.html
Direct link

http://spreadsheets.google.com/pub?key=pjGlYH-8AK8ffDa6o2bYlXg&gid=0

Arduino muon detector - Hack a Day

http://hackaday.com/2009/09/03/arduino-muon-detector/