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And the picture wasn't an especially encouraging one.
"The main gate is shaped like this," Ilona said, sketching barely visible lines with her finger on the tabletop. "It's supposed to be electronically locked and made with twenty-centimeter-thick kyrelium steel, same as the interior section of the wall."
Briefly, Jo
"Not on the gate itself, but there are two relief carvings flanking it on the wall. About here and here." She pointed.
Sensor clusters, most likely, and probably weapons as well. Facing inward as well as outward? No way of knowing, but it wasn't likely to matter with twenty centimeters of kyrelium blocking the way. "Well, that only leaves going over the wall," he sighed. "What's he got up there?"
"As far as I know, nothing."
Jo
"Nope." She was emphatic. "Nothing but flat wall all the way around the grounds."
Which meant no photoelectric/laser beam setup along the wall. Could Tyler really have left such an obvious loophole in his defenses? Of course, anything coming over the wall could be targeted by the house's lasers, but that approach depended on temperamental and potentially jammable highspeed electronics; and even if they worked properly, a fair amount of the shot was likely to expend its energy on other than the intended target. Sloppy and dangerous. No, Tyler must have had something else in mind. But what?
And then a pair of stray facts intersected in Jo
He had. The day of the trainees' first modest test, the one Jo
And then, of course, it was obvious. Obvious and sobering. Instead of four lasers arranged to fire horizontally along the walls, Tyler had literally hundreds of the things lined up together like logs in an old palisade, aiming straight up from inside the wall. A horribly expensive barrier, but one that could defend against low projectiles and ground-hug missiles as well as grappler-equipped intruders. Quick, operationally simple, and virtually foolproof.
And almost undoubtedly the Trofts' pla
Jo
He became aware that Ilona was watching him, a look of strained patience on her face. "Well? Any chance of getting through the gate?"
"I doubt it," Jo
"Up and over? You mean climb a five-meter wall?"
"I mean jump it. I think I can manage it without too much trouble." In actual fact the wall's height was the least of their troubles, but there was no point telling the hidden listeners that.
"What about the defenses you said might be there?"
"Shouldn't pose any real problem," Jo
She nodded, and as she launched into a listing of rooms, hallways, and staircases, he knew she was satisfied with his spun-sugar theory. Now if only he'd similarly convinced the Trofts to let them get all the way to the deathtrap.
And if he could figure out a way through it.
His internal clock said ten p.m., and it was time to go.
Jo
Those were the reasons he gave Ilona. One more—that the aliens might not risk letting them even get to the wall in broad daylight—he kept to himself.
He was lying on his back on the table, hands folded across his chest; Ilona sat beside him, her knees pulled close to her chest, apparently contemplating the door. Ilona's inactivity wasn't an act: he'd quoted a ten-thirty jump-off time to her. Whether or not the Trofts could be fooled by so simple a trick he would probably never know, but it had certainly been worth a try.
Taking a deep breath, Jo
There was a tingle in his gut, a slight vibration as the buried speakers brushed harmonics of natural body resonances. Straining his ears, he could almost hear the ultrasonic pitch changing as the sound dug into the walls, seeking resonances with the tiny audio and visual sensors open to it....
The full treatment was supposed to require a minute, but Jo
The upper hinge of the door literally exploded, scattering solid and semisolid bits of itself in a shower to the floor. Beside him, Ilona yelped with surprise; in a single smooth motion, Jo
"You said ten-thirty," Ilona growled. She was already at the door by the time he got his balance, peering cautiously outside.