Rotational Energy discussion summary practice problems resources [close] Resources flywheels General Flywheel energy and power storage systems. Björn Bolund, Hans Bernhoff, Mats Leijon. Renewable and Sustainable Energy Reviews. Vol. 11 No. 2 (2007): 238–258. From Child's Toy to ISS: Flywheels Hold the Power. Office of Biological and Physical Research. NASA. manufacturers Amber Kinetics. Union City, CA. Beacon Power. Tyngsboro, MA. Quantum Energy Storage. Poway, CA. Out of business.