"Oh!" Superman answered, "When we strike each
other it creates a psionic discharge, an energy release traveling
at the speed of light. When our sensors receive it they perceive
it as a sound so our brains tell us we are hearing
something."
"Cool!" Superboy giggled. "A sound only we can
hear! That might come in handy some day!"
"Yes!" Superman answered. "Let us get into the
ship and establish its atmosphere. I think we had better wait for
Darklight to return before we take any action. He's probably
already got a solution."
"Yes," Supergirl remarked. "He probably already
knows what happened."
Superman smiled. "He probably does!"
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