updated 10:06 a.m. EDT, Tue October 13, 2009
By Azadeh Ansari
(CNN) — Hidden under a quaint resort 60 miles northeast
of Fairbanks, Alaska, lies a treasure trove of potential energy
that's free and available 24/7.
Alaskan entrepreneur Bernie Karl has pioneered modern technology
to tap into one of Earth's oldest energy resources: hot water.
Karl, 56, likes to call himself an "imagineer."
Using imagination to fuel his engineering ambitions, this
tenacious thinker and self-starter has figured out a way to
generate electricity using water that's the temperature of a
cup of coffee — about 165 degrees Fahrenheit...(more)