Build your own distributed sensor network to collect, analyze, and visualize real-time data about our human environment—including noise level, temperature, and people flow. With this hands-on book, you’ll learn how to turn your project id...

Build Your Own Self-Watering Planter, Save water and grow healthier veggies and flowers with a self-watering planter. This attractive cedar design uses perforated drain pipe to store and distribute the water.

This method describes absolute basics using lesser quality optics and low power green laser.

one girl's diary of improvisational engineering

Now compatible with Kindle 3.

Did you ever sit at the airport or at a cafe and there was a unencrypted wireless access point nearby, but whenever you wanted to visit a site their website would pop up asking for a fee to use the internet through their AccessPoint (aka. Captive Portal)?

cool

Work for ten minutes, get a 2-minute break. Iterate this four more times.

Google maps are user hackable.

Get MohammedSameer to do one for me

The Wi-Fi detection ring!

it is a collection of software and hardware to make your own ECG using a simple circuit and a PC with a sound card.