Sub-Topics Aviation Flywheels Harvesting Equipment Simple Machines Also Try Inventors Nanotechnology Patents and Trademarks Physics Lesson Plans Airships (UCLA News - Brown) Describes lighter-than-air aircraft. 1-02 Lists Electric Cars (Awesome Library) Provides sources of information on electric cars and other electric vehicles. 1-02 Fuel Cell Power (Awesome Library) Provides sources of information. 1-02 Hydroelectric and Wave Power (Awesome Library) Provides sources of information. 1-02 Inventors (Awesome Library) Provides sources of information. 1-02 Patents and Trademarks (Awesome Library) Provides sources of information. 1-02 Quadcycles (Awesome Library) Provides sources of information. 1-02 Recumbent Bicycles (Awesome Library) Provides sources of information. 1-02 Solar Power (Awesome Library) Provides sources of information. 1-02 Tricycles and Tricycling (Awesome Library) Provides sources of information. 1-02 Wind Power (Awesome Library) Provides sources of information. 1-02 Papers "Bionic" Dolphins (CNN News) "The dolphin, described by Doc as the world's first underwater flying machine, attracted a huge amount of media interest during a test drive around Auckland harbor, in New Zealand." "Innes' one-man model is powered by a 110hp jet ski petrol engine and uses five control surfaces to perform barrel rolls, leaps and dives. It is also fitted with a fighter jet canopy, where the driver sits." 12-04 Airships - Causes of the Hindenberg Airship Crash (UCLA News - Brown) Describes recent research that shows that the chemicals on the skin of the aircraft, not the hydrogen, caused the fire. 1-02 Airships - Hindenberg Airship Crash (Hitter) Describes the zeppelin blimp that crashed when it arrived in the USA. Discusses possible causes of the explosion that set the airship in flames. Editor's Note - Recent research as shown that chemicals on the skin of the aircraft, not the hydrogen, caused the fire. 1-02 Airships - Hindenberg Airship Crash (Widner) Describes the radio broadcast of the crash of the Hindenberg airship, an event that is believed to have stopped airship travel. 1-02 Commuting Alternatives (Awesome Library) Provides an analysis of options and then gives recommendations. 1-02 Gadgets (Hammacher Schlemmer) Provides descriptions and pictures of gadgets. 11-02 How Diesel Engines Work (HowStuffWorks.com) Describes diesel engines work. 10-04 How Engines Work (HowStuffWorks.com) Describes how the following types of engines worK: Diesel Two-stroke Engines, Car Engines, Two-stroke Engines, Gas Turbine Engines, Rotary Engines, Rocket Engines, Stirling Engines, and Steam Engines. Also describes how oil refining works. 10-04 Sewing Machines - How Sewing Machines Work (HowStuffWorks.com) Shows how a sewing machine works. 2-02 Projects Radios - Building an AM Radio (Xtal Set Society) Provides instructions and diagrams for building a complete crystal radio in a Quaker Oats box. 1-02

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