The sci-fi novel The Resurrected Man asks that question about teleportation technology. The teleporter itself is referred to as "a murdering twinmaker". http:

The sci-fi novel The Resurrected Man asks that question about teleportation technology. The teleporter itself is referred to as "a murdering twinmaker". http://seanwilliams.com/words/books/sci-fi/the-resurrected-man/ http://seanwilliams.com/words/books/sci-fi/the-resurrected-m...