To help compare sizes of different surface areas, we list here areas of the order of 1020 square metres, i.e. those between 100 trillion km2 and 1 quadrillion km2. See alsoareas of other orders of magnitude.
... motion is perpendicular to the torque trying to make the gyro fall over.)
The axis of the gyroscope in the Dynabee is fixed to the spinning mass and it rests in a ...