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A Novel Approach to Interplanetary Travel
Solar sail technology is very close to becoming an engineering reality and it will soon be used in the exploration of the solar system and beyond. Thi...
Green Roads to the Cosmos
This book presents a visionary concept for future development of space travel. It describes the enabling technology for future propulsion concepts and...
The Regreening of Earth
What was our planet like before the advent of our modern civilization? What effects has our civilization had on the planet and its ecological systems?...
In terms of the scale of the galaxy, both in space and time, we humans are new comers. Though we are newly on the scene, we are already thinking about...
What was our planet like in years past? How has our civilization affected Earth and its ecology? Harvesting Space for a Greener Planet, the Second Edi...
The only thing we can be absolutely sure of is our own consciousness. But what is consciousness? Is it a property that is unique to humans or do we sh...