In 1958, he astounded the mathematical world with a proof of a sphere eversion.
Eversion is possible only at certain points within each level.
The severity of flail leaflet varies, ranging from tip eversion to chordal rupture.
It is easily possible that the maximal ankle joint eversion movement is 31 degrees for one and 12 degrees for another running shoe.
The sphere eversion was a particularly striking consequence.
This is due to the ankle being put in eversion, inversion, and plantarflexion at high velocities.
His father becomes moderately famous for a while during the period after the sky eversion.
Upon approaching an eversion point, the music of the possible destination becomes audible.