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 ...

The European union has selected the Finnish Meteorological Institute to lead an international space effort whose goal is to build the largest and fastest man-made device. The electric sail is a ...

Cruise editor Tom Stieghorst is in Bali for a Star Clippers cruise near the Indonesian island. His fourth dispatch follows. A good part of the appeal of Star Clippers Cruises is that its ships are at ...

Sophie Galvagnon, of the expedition company Selar, plans to take adventure-minded travellers around the Arctic while ...

Editor’s Note: Kellie Pollock worked for CNN International as a producer, before she left to sail round the world. We haven’t covered that distance entirely by the power of wind alone. We have used ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. May 6—It can be hard for military veterans to reintegrate into civilian life, says Carlos Poysky. He is one of the founders of ...

Wind sailing along South Africa's rugged coast is an exhilarating experience, offering unique challenges and breathtaking ...