July 2011

Is the Space Age Over?

July 6, 2011

A good futurist can come up with all kinds of outcomes for humanity, but for those of us consumed by space exploration, a recent article in The Economist sketches a particularly bleak possibility. Forget about the stars. For that matter, forget about Mars, even the Moon. The new reality is emerging in the symbolic end [...]

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Spacetime Beyond the Planck Scale

July 5, 2011

Is the universe at the deepest level grainy? In other words, if you keep drilling down to smaller and smaller scales, do you reach a point where spacetime is, like the grains of sand on a beach, found in discrete units? It’s an interesting thought in light of recent observations by ESA’s Integral gamma-ray observatory, [...]

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Cosmos & Culture: A Review

July 1, 2011

By Larry Klaes Tau Zero journalist Larry Klaes gives us a look at a NASA publication whose authors tackle the biggest questions imaginable for our culture. Usefully, this volume, whose authors include major names in fields ranging from astrophysics to cultural evolution, is available online at no charge. As Larry points out, it deserves wide [...]

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