a second ball. The chrysalis echoed the spell, reflecting his thought.
"Change the flames to flowers," Elric said.
Galen concentrated on the equation for the second ball, specifically on the terms that generated the flames. Below them, he visualized the terms necessary to create an image of white kwa blossoms. Then he moved the new set of terms up, replacing the old. The flames changed to flowers.
"Triple speed first ball."
With intense focus, Galen kept the two equations for the two balls firmly in his mind, and at the same time altered the equation of motion, tripling the velocity of the first ball's circular course. The effort caused his breath to come faster now.
"Second ball up and down."
Maintaining the images of his three spells on the imaginary screen, Galen formed an equation that sent the second ball up to the thatched ceiling, then a new equation to send it back and forth between the ceiling and the woven grass mat that covered the floor. The ball of flowers began to zip up and down.
"Third ball with a piece of lint in it."
Galen held his focus. Elric tried to use odd requests to throw him off, to make him lose concentration. But he would not. He formed an equation for the third ball, giving it a dark interior so that the image of a tiny fleck of white lint inside would be visible. The third ball appeared. Galen was breathing even harder; this was the farthest he'd ever gotten.
"Circle around your head."
Holding the three equations for the three balls and the two equations for motion in his mind, Galen began to formulate an equation of motion for the third ball. As he calculated its circular course around his head, though, his mind slipped. Like patting his head and rubbing his stomach, the multiple signals crossed in his mind. Control