TOPIC: Crank-Up Electronics
During times when batteries may be in scarce supply, crank-up products may be just the thing. This is a technology in use in the recent past, when phone calls were placed only after an energetic cranking. Crank Radios such as BayGen are On the Market. Shaking a Flashlight or just a Squeeze can create energy to replace batteries. Short wave Internet transmissions can be sustained by crank power. Generators can be powered by hand or foot, or could use Gravity. Cordless Drills can be used as DC Generatorswith a Hand Crank when Modified. This information is also Available as PDF file for Adobe Readers.