/sci/ - Science & Math

>>16184902
>A still more drastic nuclear proposal, not to deflect dangers but to detect them, was put forward by Arthur C. Clarke in early 1993. Project Excalibur would explode a 1,000-megaton device on the far side of the Sun for Earth’s sake, and flood the Solar System briefly with microwaves, allowing the identification by radar of everything more than 3 ft across within the orbit of Jupiter—except objects on the Earth-Sun line at the time

>>15706202
KSR lacks the wanderlust of a 10th century Polynesian.
Sad!

>>15212173
Propellants will give way to mass drivers, space elevators and whatnot for lifting the mass flows needed so that's no issue. Planet dwellers will sell at reasonable prices as otherwise things will be sourced elsewhere. Fantasies about Mercury colonies or Saturnian moon colonies won't pan out.