Micro-Windmills May One Day Power Your Smart Phone WSJ Jan 15 2014

Bigger is better has practically become a rule of thumb in the wind power business.  Indeed, the typical wind turbine size has grown from about 300 kilowatts in 1990 to a whopping 7.5 megawatts in 2011.  A team of electrical engineers in Texas is challenging the industry’s conventional wisdom by building a wind turbine about 1/10 the size of a single grain of rice. . . .

http://www.forbes.com/sites/williampentland/2014/01/10/micro-windmills-may-one-day-power-your-smart-phone/