On June 25, the Planetary Society's LightSail 2 hitched a ride into orbit on board SpaceX's Falcon Heavy rocket. The solar sail is propelled only by sunlight, and its technology holds promise for ...

the wind had been light through the first 110 miles of Storm Trysail Club’s annual springtime Block Island Race, and as we were making our way back toward the finish, we found ourselves navigating ...

Technologies tend to change all the time as improvements are made and new designs are implemented that produce more power or a higher efficiency. One of the few technologies that has not changed much ...