What if this were the difference between the silo shielding a part of the town, and the silo being completely obliterated? Also, the cube root of 5 is not 1.2-

What if this were the difference between the silo shielding a part of the town, and the silo being completely obliterated? Also, the cube root of 5 is not 1.2-1.3 anyway, but quite a bit more, so there's that.