A solar sail is designed to capture the tiny amounts of radiation pressure exerted by sunlight to propel a spacecraft to incredible speeds.
Solar sails are an enigmatic and majestic way to travel across the gulf of space.
NASA is about to launch a new solar sail design with a better support structure. Called the Advanced Composite Solar Sail System (ACS3).
Nw Ecoship could take to the seas in 2020. A closed-loop water system, whale-inspired hydrodynamic hull, and retractable solar sails are among its best features.
It takes a bold person to declare that interstellar travel is now within our grasp. Physicist Stephen Hawking has shown that he is just that, taking part in the Breakthrough Starshot initiative.