Solar wind — For other uses, see Solar wind (disambiguation). The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 1.5 and 10 keV. The stream of … Wikipedia
Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… … Wikipedia
Electric sail — (also called electric solar wind sail) is a proposed form of spacecraft propulsion using the dynamic pressure of the solar wind as a source of thrust. It is similar to the magnetic sail except that it uses an electric field instead of a magnetic… … Wikipedia
Vela solar — Prototipo de vela solar de 20 metros, desarrollado por la NASA. Una vela solar es un método de propulsión para sondas y naves espaciales … Wikipedia Español
Wind-powered vehicle — Wind powered vehicles have traditionally been associated with seafaring vehicles that, until the advent of steam engines, relied primarily upon winds which were used to drive the sails of such vehicles to their destinations. In the Western world … Wikipedia
Electric boat — This article is about electrically powered boats in general. For the company called Electric Boat , see General Dynamics Electric Boat. Passenger solar boat Solifleur, Switzerland 1995 While a significant majority of water vessels are powered by… … Wikipedia
Solar thermal energy — Solar thermal system for water heating in Santorini, Greece … Wikipedia
Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… … Wikipedia
Wind shear — Wind shear, sometimes referred to as windshear or wind gradient, is a difference in wind speed and direction over a relatively short distance in the atmosphere. Wind shear can be broken down into vertical and horizontal components, with… … Wikipedia
Electric vehicle — Sustainable energy Renewable energy … Wikipedia
