atomic pile

Inside this anchor tube ran the thick coaxial cable that fed three-phase electric power from the atomic pile to the ship.

Trailing the wheel ten miles off, was the atomic pile, directly attached to its anchor tube.

Look, you know how an atomic pile works—essentially just like an atomic bomb.

The atomic pile levers were still at their proper calibration.

This ship is powered by a nuclear reactor—in other words, an atomic pile.