Teleportation: The Impossible Leap

The idea of teleportation is familiar to everyone who has watched Star Trek. With the words "beam me up," a person shimmers out of existence in one place and then rematerializes an instant later somewhere else.

No longer the stuff of science fiction, teleportation has become a reality. Though the current state of this cutting-edge science can transport only such light fare as subatomic particles, it is simply a matter of time before larger atoms, molecules, and eventually living things take...