ch00f
Not saying OP is fibbing but I used to work alumni soliciting and they’d absolutely track your call duration and success rate. If you spent that long on the phone, you’d better have something to show for it.
I heard that part of the motivation behind games like Pokémon Go is that they can collect data on previously unrecorded pedestrian routes between major landmarks or points of interest.
So Google’s directions may be based on crowd sourced routes that have never been vetted as safe/legal for pedestrians and cyclists.
He probably just mixed up the line from when he saw it in theaters.
The solar sail reflects light instead of absorbing it so you get to double dip on photon momentum.
And sure, you can steer with the laser I suppose, but with that kind of super weak deltaV, you’re not going to be exactly doing donuts in the solar system.
Even the massive solar sail only imparts a super small amount of force. It’s only useful because it does so for free over a long period of time with no air resistance.
You’d be better off using a conventional thruster to do whatever steering you needed to do before letting the sail take over. It’s not like you need to steer around any obstacles.