Posted: Dec 06, 2015 2:45 pm
100% in satellites and likely for guidance damping for rockets but as for stabilizing something that big would require seriously large amount of mass for the gyro.
Lifeboat for the rational mind :D
http://www.rationalskepticism.org/
http://www.rationalskepticism.org/viewtopic.php?p=2343924#p2343924