Here are 25 stories of science fiction that push the envelope, by thebiggest names in an emerging new crop of high-tech futuristic SF -including Charles Stross, Robert Reed, Alastair Reynolds, Peter Hamiltonand Neal Asher. High-tech SF has made a significant comeback in the lastdecade, as bestselling authors successfully blend the super-science of'hard science fiction' with real characters in an understandable scenario.It is perhaps a reflection of how technologically controlled our world isthat readers increasingly look for science fiction that considers thefates of mankind as a result of increasing scientific domination. Thisanthology brings together the most extreme examples of the new high-tech,far-future science fiction, pushing the limits way beyond normalboundaries. The stories include: "A Perpetual War Fought Within a CosmicString", "A Weapon That Could Destroy the Universe", "A Machine ThatDetects Alternate Worlds and Creates a Choice of Christs", "An ImmortalDead Man Sent To The End of the Universe", "Murder in Virtual Reality", "ASpaceship So Large That There is An Entire Planetary System Within It", and"An Analytical Engine At The End of Time", and "Encountering theUntouchable."