Contraction is a relativistic phenomenon. As a moving
object approaches the speed of light, its measured length
contracts in the direction of motion. In the limit that
it reaches the speed of light, it will have no length at
In the case of Fisk the fencer, the
limerick is saying that his lunge is so fast that his epeé (a
standard fencing weapon) moves forward at the speed of light.
This causes the epeé to collapse into a disk with