When a hard-boiled egg is spun sufficiently rapidly on a table with its axis of symmetry horizontal,

the axis will rise from the horizontal to the vertical. The egg’s center of mass rising against gravity.

The equations of motion from [1] were simulated to make this animation.

[1] Moffatt, H. K., Shimomura, Y. & Branicki, M., 2004, ”Dynamics of an axisymmetric

body spinning on a horizontal surface. I. Stability and the gyroscopic

approximation”, Proc. R. Soc. A. 460, 3643-3672.