Relativity precludes FTL - except that the quantum jump hyperspace of Poul Anderson's Technic History and the T machine jumps of his
The Avatar are supposed to be compatible with relativistic physics. Usually, I think, "hyperspace" means a non-relativistic space somehow coterminous with the relativistic universe whereas other fictional FTL drives (see
here) simply contradict relativity, e.g., James Blish's "spindizzy."
Are T machine jumps FTL? The spaceships are STL and the jumps that they make resemble cosmic versions of the space-time jumps made by the timecycles in Anderson's Time Patrol series.
How much STL intergalactic travel is there in sf? Not a lot.
Into Deepest Space by Fred and Geoffrey Hoyle
Tau Zero by Poul Anderson
Genesis by Poul Anderson
Star Maker by Olaf Stapledon
1 comment:
Kaor, Paul!
There's also the FTL Alderson drive used in Jerry Pournelle's Co-Dominium timeline, which I believe he took some care to give a semi-demi-plausible scientific rationale. As Anderson had done with the the hyperdrive of his Technic series.
Sean
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