Tag Archives: dark matter

Tachyons and Intersecting Universes


Recently finished John Scalzi’s fine Old Man’s War. One plot point is that tachyons come to betray attacking ships emerging from wormholes. Tachyons have never been detected nor is their place in reality even theoretically firm. But considering the compelling … Continue reading

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What is economics good for?


Alex Rosenberg and Tyler Curtain pose this question in an op-ed for the NY Times. They are approaching this issue poorly for three reasons. First, when there is open intellectual debate between people of different ideologies (fresh water vs salt … Continue reading

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