Icicle: A Tensor Matrix: The first Oort Chronicle - Hardcoverby Robert G. Williscroft (Author) Braxton Thorpe has discovered a threat to the entire Solar System, but he has a problem: he's dead. Frozen at death, he awakens to find himself uploaded into an electronic matrix. Exploring beyond the matrix and the larger GlobalNet, he discovers the Oort, a distributed electronic entity older than humanity, with an unnerving secret: aliens wiped out nearly all life on Earth once, and are coming back to do it again.