Wind-powered commercial shipping expanded its operational footprint on July 1, 2026, when the vehicle ...

The electric solar wind sail is a propulsion system that uses the solar wind proton flow as a source of momentum for spacecraft thrust. The momentum of the solar wind is transferred to the spacecraft ...

If you search the outer reaches of the internet you will find all sorts of web sites and videos purporting to answer to free energy in the form of perpetual motion machines and other fantastical ...

A new electric solar wind sail is almost ready for implementation. Electric sail propulsion might have a large impact on space research and space travel throughout the solar system. The electric solar ...

French start-up VELA claims its massive sailboat can move 415 metric tons across the Atlantic, using only the wind.

The E-sail is a novel propellantless technology that was invented in Finland in 2006. The E-sail utilizes long, charged tethers to convert natural solar wind momentum flux into spacecraft thrust. The ...