Metajets: Light Propulsion to Alpha Centauri in 20 Years
The Photon Leap: How Light-Powered Propulsion Will Shrink the Galaxy The chemical rocket is a dinosaur in the making. For nearly a century, we have relied on the violent combustion of propellant to escape Earth’s gravity, a method so inefficient that reaching the nearest star system would take tens of thousands of years—essentially a death … Read more