Used since ancient Egyptian time, the modern form of this instrument consists of a telescope that
only moves vertically.
Not exact matches
Your ship can
only move horizontally, not
vertically.
Each time you push your bubble either horizontally or
vertically using the left stick, touch screen or even the rear touch pad your bubble will
move in the chosen direction and
only stops when it reaches a wall.
We can find many locations there and we can
move not
only horizontally, but also
vertically.
The ice sheet
moves vertically but not uniformly, even if
only slightly, creating stresses somewhere in its mass.
So melting the ice at the poles would
only move mass
vertically, or pretty much
vertically, in relation to the axis and would have little effect on the rotational speed.