Nirav Patel looks like he likes to play with some diverse toys and has shared much at his blog. Lately it seems he’s taken to 3D printing and offers a some useful tidbits in Physical Keygen: Duplicating House Keys on a 3D Printer.
Also, WeatherSpark.com is something I’ve been looking for a long time. Thank you StumbleUpon! It’s an easy to navigate way to have a look at historic weather data. I don’t know how much it covers, but in my area it goes all the way back to 1980! Looking at temperature, precipitation, cloud cover, thunderstorms and more!