Ed - Earth is a spaceship with crew; responsibility to not get hit with asteroids...
Peter - We're already mining asteroids that have hit the ground.
Bill - collaboration mission increase total cost and decrease per nation cost
Binary asteriod - if you get size and period you get mass and density
Peter - With Arkyd (optical), Atira class of asteroids (interior to Earth) can be discovered from Earth...
Jose - 9,000,000 @ Chelyabinsk size, 17 meters.Ed - 1,000,000 @ 40 meters ...
Peter - PRI hopes to create a sizable crowd like Zoonaverse and Galaxy Zoo, 100s of 1000s of people to help analyze data; create the smartphones of space; Kepler - like a piece of art vaporized and gone
Bill - laser ablation swarm?
Peter - donate Arkyd time to U Washington and MIT