This article is a perfect complement to our order pizza from the command line story. It's a pitcher, that notifies the wait staff when a pitcher is low on beer (or whatever other beverage is in the pitcher). Set your local bar up with these pitchers, and never be sitting around with an empty pitcher looking for a waitress (or heaven forbid, walk up to the bar to get a refill).

Wow, here's an open source project that extremely geeky. Install Pizza Party and you can order pizza from the command line. Example: pizza_party -pmx 2 medium regular This will actually order a pizza from Dominos.

Ok, this one I'd classify as EXTREMELY DANGEROUS, but very cool. This site actually shows how a jet engine can be built in a garage. They even have videos of it running (watch the Oops video to see how dangerous this can be).

Probably not the best selling speaker you can get, but would be one of the geekiest. this site shows you how to turn your hard drive into a speaker.

This guy shares one of my pet peeves, terrible pics shot from all these cell phones. More and more people post their phone pics on their personal sites or moblogs, and most of them are terrible. If you're going to take pictures with your camera phone, this is a great list of (mostly common sense) tips.

Using just a microwave and a bar of chocolate this article shows how you can measure the speed of light. She also covers the basic history behind measuring the speed of light, and some physics regarding light waves.

If you have a Linksys WRT54G router, you're in luck. This article shows you how to supercharge your router with a number of new features, including P2P bandwidth management, command shell for diagnostics, bandwidth management, OSPF routing, and a whole lot more. With this firmware update (remember to always be careful when updating firmware in any device), you can make your under $100 router, into a pretty powerful device.

This looks like a fun way to get a different perspective from your photography. Hook up your camera to your kite, and take pics from the sky. With digital cameras getting cheaper and lighter, kite aerial photography is becoming a very accessible hobby.

Metku Mods is overall a cool site with a lot of hardware mods (with an emphasis on PC cases and accessories). This mod gives instructions on building a mouse pad with a built in fan to keep your mousing hand cool. Also adds some cool lighting effects.

This site shows you how to make your own LCD Projection TV. Good links on the bottom showing where you can get more information and parts. For those of you that don't have (or want to buy) an LCD, here's instructions to create a projector with a regular TV. It doesn't look pretty, and the resolution will be significantly lower, but would make an interesting project.