Solar sails are made of thin reflective material and use sunlight for photonic propulsion. Although potentially usable for interstellar travel, they are still in testing for terrestrial orbit.
A detailed examination of solar sail technology, with a focus on the Cosmos-1 mission.
Solar sails resource site including design information and links, with news and bibliography.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us