Balancing Control of Two-Wheel Bicycle Problems
https://www.hindawi.com/journals/mpe/2020/6724382/
https://en.wikipedia.org/wiki/Control_moment_gyroscope
https://en.wikipedia.org/wiki/Gyroscope
https://en.wikipedia.org/wiki/Center_of_gravity_(disambiguation)
https://en.wikipedia.org/wiki/Ship_stability