4 ms·

Or you could be like Elon Musk :)

• josephagoss 14y ago
  I guess engineering is a bit different, I don't think there are many working engineers with a Ph.D. There would be a few at NASA but even then most of the engineers would be at a Masters level.
• tibbon 14y ago
  Engineering isn't science. A sample size of 1 (spacecraft) is poor.