Fun stuff:
Toothpaste Abrasivity: Hard data about toothpaste abrasivity. This page contains a thorough listing of toothpaste RDA values.
Cleaning glass: Keeping your windshield clean and clear.
Garba and Dhaandia Raas: Basic steps for the beginner. Under construction.
NANPA Lookup [PHP]: Reverse telephone number search of the NANPA (North American Numbering) database of local exchanges. Handy for discovering the locality of a known phone number, and whether it belongs to a landline carrier or mobile carrier. Generates links to send text-messages to mobile phones, or links to reverse lookup the number in directory information.