They’re referred to as sails because the concept is exactly the same as that of a sailing ship of centuries past. Instead of cloth and wind, though, a laser sail substitutes in advanced nano ...

A new method for manufacturing lightsails that can reach up 20% of the speed of light is making the technology look more ...

A new paper by researchers at Caltech published in Nature Photonics explores how to test what force a laser would have on a light sail as it travels to another star. The general concept of pushing ...