Chapter 25

"But look you, I can drop many atomic bombs from a distance where their beams are ineffective. Suppose I _do_ make a magnetic ball of energy, a magnetic bomb. Then--I can drop it from a distance! We have learned that the power supply of these forts is very great--but not endless, as is ours now, thanks to the vast supplies of power metal on this heavy planet. Then all we need do is stay at a distance where they cannot reach us--and drop magnetic bombs. Ah, they will be stopped, and their energy absorbed. But we can…