3 ms·

Space launch is risky, not just perceived as risky, actually risky. rocketry isn't one of those 5 9's of reliability activities.

• bdunbar 14y ago
  Space launch is risky, not just perceived as risky, actually risky. This is true now, it need not always be so.
• rosser 14y ago
  Two words: rail gun.
  • bdunbar 14y ago
    Cooler: space elevator
    • rosser 14y ago
      Cooler, yes; sooner, no.