"Old hat," he yawned.
"And atomic energy?"
"Same applies there. Look, Tinker, don't get me wrong. I love the period. But, objectively viewed, the twenty-first makes the great difference."
"And what about duplication of life functions, like the mechanical heart? That really got started in the twentieth."
"Absolutely right," Smith nodded vigorously.
"All strictly mechanical," Stahl sighed. "But the twenty-first turned the study of pain and pleasure itself from an art into a true science."
"No, no," scoffed the cyberneticist.
Stahl pounded the bar. "All right, I'm going to prove it by putting on an All-Sense Feeliescope of Thomas Dyall. It's fully sense-adapted, so it should pick up perfectly."
"Hope it isn't noisy," said Smith.
"It's beautiful," answered Mary Stahl. "I could listen to it all day."