Gateway - Frederik Pohl Page 0,63

model answer.

"Um." He ran an index finger down each jaw-whisker, meeting under the chin. "Come on, then." Leading me, he said over his shoulder, "Actually, she would probably get more out of this than you would."

"I suppose she would, Dane."

"Um." He hesitated at the bump in the floor that was the entrance to one of the instruction ships, then shrugged, opened the hatch, and clambered down inside.

He was being unusually open and generous, I thought as I followed him inside. He was already crouched in front of the courseselector panel, setting up numbers. He was holding a portable hand readout data-linked to the Corporation's master computer system; I knew that he was punching in one of the established settings, and so I was not surprised when he got color almost at once. He thumbed the fine-tuner and waited, looking over his shoulder at me, until the whole board was drowned in shocking pink.

"All right," he said. "Good, clear setting. Now look at the bottom part of the spectrum."

That was the smaller line of rainbow colors along the right side. Colors merged into one another without break, except for occasional lines of bright color or black. They looked exactly like what the astronomers called Fraunhofer lines, when the only way they had to know what a star or planet was made of was to study it through a spectroscope. They weren't. Fraunhofer lines show what elements are present in a radiation source (or in something that has gotten itself between the radiation source and you). These showed God-knows-what.

God and, maybe, Dane Metchnikov. He was almost smiling, and astonishingly talkative. "That band of three dark lines in the blue," he said. "See? They seem to relate to the hazardousness of the mission. At least the computer printouts show that, when there are six or more bands there, the ships don't come back."

He had my full attention. "Christ!" I said, thinking of a lot of good people who had died because they hadn't known that. "Why don't they tell us these things in school?"

He said patiently (for him), "Broadhead, don't be a jerk. All this is brand new. And a lot of it is guesswork. Now, the correlation between number of lines and danger isn't quite so good under six. I mean, if you think that they might add one line for every additional degree of danger, you're wrong. You would expect that the five-band settings would have heavy loss ratios, and when there are no bands at all there wouldn't be any losses. Only it isn't true. The best safety record seems to be with one or two bands. Three is good, too—but there have been some losses. Zero bands, we've had about as many as with three."

For the first time I began to think that the Corporation's science-research people might be worth their pay. "So why don't we just go out on destination settings that are safer?"

"We're not really sure they are safer," Metchnikov said, again patiently for him. His tone was far more peremptory than his words. "Also, when you have an armored ship you should be able to deal with more risks than the plain ones. Quit with the dumb questions, Broadhead."

"Sorry." I was getting uncomfortable, crouched behind him and peering over his shoulder, so that when he turned to look at me his jaw-whiskers almost grazed my nose. I didn't want to change position.

"So look up here in the yellow." He pointed to five brighter lines in the yellow band. "These relate to the profitibility of the mission. God knows what we're measuring — or what the Heechee were measuring — but in terms of financial rewards to the crews, there's a pretty good correlation between the number of lines in that frequency and the amount of money the crews get."

"Wow!"

He went on as though I hadn't said anything. "Now, naturally the Heechee didn't set up a meter to calibrate how much in royalties you or I might make. It has to be measuring something else, who knows what? Maybe it's a measure of population density in that area, or of technological development. Maybe it's a Guide Michelin, and all they're saying is that there was a four-star restaurant in that area. But there it is. Five-bar-yellow expeditions bring in a financial return, on the average, that's fifty times as high as two-bar and ten times as high as most of the others."

He turned around again so that his face was maybe a dozen centimeters from mine, his