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Breakthrough Propulsion

The Felber ‘Antigravity’ Thesis and Cosmology

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On Travel Close to Lightspeed

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Marc Millis on Hyperspace Propulsion

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Hyperspace in Science Fiction

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Hyperdrive to Epsilon Eridani?

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Lawrence Krauss on Cosmic Strings

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The Art of the Wormhole

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How to Find a Wormhole

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Interstellar Spaceflight Realities

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Nuclear Pulse Propulsion Re-Examined

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