"Earth's axis meets the sky at the North Celestial Pole (NCP), and as the axis precesses, the NCP changes. Right now, the NCP is less than 1 degree from the North Star, Polaris, and a century from...
It gets reversed. The torque applied is equivalent to the cross product of the resulting angular precession frequencey and the angular momentum of whatever is spinning.
Please specify. Psychological effects are any effect that an ingested substance has on your cognition. If it makes you think differently, see differently, hear differently, etc, that's a...