6 ms·Good point, but you havent thought of the *millions of tiny mirrors* they'd obviously be using :)by pkdpic_y9k 5y agoGood point, but you havent thought of the *millions of tiny mirrors* they'd obviously be using :)SamBam 5y agoThey'd probably just use rare-earth magnets.amelius 5y agoOne mirror mounted on the drone would be enough. And a strong enough laser device at a stationary position. Of course, the challenge would be to hit the mirror and not the drone ...