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August 2013

Existential Risk and Far Future Civilization

{ 25 comments }

Deep Time: The Nature of Existential Risk

{ 35 comments }

Sun-Skimming Planets (and a Riff on Brown Dwarfs)

{ 5 comments }

Neil Armstrong: One Small Friendship Remembered

{ 11 comments }

Interstellar Studies in Context

{ 5 comments }

A Light Bridge to Nearby Stars

{ 24 comments }

Sailcraft: Uses of the Beam

{ 13 comments }

The Path to Beamed Sails

{ 2 comments }

Key Issues for Interstellar Sails

{ 13 comments }

The Sail Comes to Texas

{ 17 comments }