Fan Cart, weight: 0.5 lb., dimensions: 6in x 5in x 5in, two AA size batteries, propeller delivers a thrust of about 88mN, accelerating the cart at 0.4 m/s2
Energy Sensor, offers an easy way to quantify voltage, current, power, and energy output of small wind turbines and solar panels, measures the current and voltage of the system. Data-collection and analysis software
Production of Biodiesel Kit, Includes: Vegetable oil, Methyl alcohol, Potassium hydroxide, Microburners, two-phase process to produce small batches of crude biodiesel