3 ms·

Or just ten very safe РБМК reactors rated 1GW each (they can't explode).

• fragmede 1y ago
  You almost got me. RBMKs had this problem with large positive void coefficients that was buried by the Soviet Union, which lead to Chernobyl.
  • fusionadvocate 1y ago
    The control rods with the graphite on the tip was the cherry on top...