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Interstellar Travel: Laser Sails and Tractor Beams

Interstellar Travel: Laser Sails and Tractor Beams If Einstein is right, then it’s impossible to get to Alpha Centauri in less than 4.3 years. If Newton is right, then getting there in a fraction of a human lifetime, though possible, is extremely difficult. Tsiolkovsky’s Rocket Equation tells us you would need an immense amount of […]

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In Memoriam: Jerry Pournelle

Some people you might never meet in person, but you get a strong sense of who they are from their writing. Sf writer, computer enthusiast, and technology strategist Jerry Pournelle, who died last week at the age of 84, was one of those. You’ve probably heard of his first collaboration with Larry Niven, the 1974

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Interstellar Travel: Laser Sails and Tractor Beams

In Memoriam: Jerry Pournelle