The stability of a light sail riding on a laser beam is analyzed both analytically and numerically. Conical sails on Gaussian beams, which have been studied in the past, are shown to be unstable in ...

Diffraction gratings could allow laser-sailing craft to hold the line. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Spacecraft could fly to ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. On a slate-gray day in September, 89-year-old Bruce Kirby leans ...

Adapting the concept of interstellar laser sailing for Earth orbital maneuvering and solar system exploration, researchers propose that the fundamental advantages of laser propulsion are manifested at ...