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July 2012

Communication with Extraterrestrial Intelligence

{ 64 comments }

On Cosmic Isolation

{ 33 comments }

Defending the Interstellar Vision

{ 56 comments }

Al Jackson: A Laser Ramjet Reminiscence

{ 11 comments }

Rocketry on a Beam of Light

{ 7 comments }

A Laser-Powered Interstellar Ramjet

{ 9 comments }

A Closer Look at Medusa

{ 13 comments }

Medusa: Nuclear Pulse Propulsion and the Sail

{ 21 comments }

Proximity Hunt: Exoplanets Around Nearby Stars

{ 15 comments }

Resolving the Pioneer Anomaly

{ 28 comments }