Terruns stabbed viciously at a red button on the panel that formed the front of the car. Something in the box at the rear muttered faintly, and began throbbing furiously. Rapidly, from the sides, a pinkish mass protruded, until inside of ten seconds a pneumatic bumper fully two feet thick had pushed out all about, front, side and rear.
“We’re going,” said their guide cheerfully, “to the center of the city. Power and Mechanisms Building; where all our broadcast energy is developed.”
Blake understood suddenly the purpose of the rails and handgrips. The motor, whatever it was, was far from inadequate. The car moved to speed with a rush that snapped his head back viciously.
“We power nearly everything,” continued Terruns, “by broadcast energy. Source of energy’s the trouble. Very troublesom
