4 ms·
From the link you provide: it's about steering. They say that if you can spew "exhaust" reflecting / refracting off the sail at 90 degrees to the incident light
by DrJosiah 7y ago
From the link you provide: it's about steering. They say that if you can spew "exhaust" reflecting / refracting off the sail at 90 degrees to the incident light, you can steer without reducing your sail area.