Professor Johnson placed the cube gently on the machine's platform.
The square of any such number represents a surface, the cube a solid.
Keep your eyes on me, for to look at the cube spells danger!
The second cube came back unchanged, except that it was newer, shinier.
I flicked the switch and opened the door, expecting to find the cube vanished.
The scene in the cube flashed and coalesced, dazzling Lonnie's eyes for a moment.
Thus the cube's outlines were not reconstructed; and, in effect, it had vanished.
And the fact that the cube was still there, was perfectly obvious.
Let us take Fig. 101, which appears to be the perspective of a cube.
To find the solidity of a sphere: Multiply the cube of the diameter by .5236.