Anyhow, his stomach would never get used to free fall. Right now it tightened up when he thought about it.

By the time Burke returned he was calm and, if not happy, at least he was not unhappy, for his mind was at rest.

Burke came in whistling. He stopped when he saw Matt. "Well, junior, still here? I thought the bumps would send you home."

"No."

"Didn't you get dropsick?"

"Yes." Matt waited and tried to control his temper. "Didn't you?"

Burke chuckled. "Not likely. I'm no groundhog, junior.

"Call me 'Matt.'"

"Okay, Matthew. I was going out into space before I could walk. My old man builds 'em, you know."

"I didn't know."