Who Rigged The Nenana Tripod?

He had spent the morning asking questions in three shops. The answers had come wrapped in jokes, shoulder shrugs, and one suspiciously quick change of subject. Now he had come to the overlook with a pencil, a folded sheet of paper, and one immediate goal: learn how anyone could target an exact time when the Tripod’s movement depended on ice, water, and whatever moods the river kept hidden under its frozen surface.

Jeff tapped the paper in Ethan’s hand. “You wrote it down wrong.”

“I wrote down what the clerk told me.”

“Which clerk?”

“The one at the grocery store.”

“Then it’s wrong.”

Ricky laughed. “He means the clerk at the gas station says it differently.”

“That is not reassuring,” Ethan said.

“It’s Nenana,” Jeff replied. “We keep things flexible.”

A gust rattled the railing. Ethan tucked the paper under his glove and watched a group of visitors pose for photographs with the Tripod in the distance. One man held up a ticket as if it were a hunting license. His wife shouted that he was standing in front of the date board.

“What exactly does the ticket record?” Ethan asked.

“The date and time you choose,” Jeff said.

“When you buy it?”

“No. When you fill it out.”

“When it’s stamped?”

Ricky and Jeff exchanged a glance.

That glance bothered Ethan more than the cold.

Ricky lifted one shoulder. “Depends where you buy it.”

“There it is.”

“There what is?”

“The part nobody explains.”

Jeff pushed away from the railing. “The ticket has a place for your name, your date, your time. The shop has its own stamp. Some places stamp it when you pay. Some places stamp it when they collect the entry. Some places - ”

“Some places forget,” Ricky finished.

“That would make the contest rather loose.”

“It makes the contest interesting,” Ricky said.

Below them, the Tripod’s nearest leg gave a faint creak. Ethan felt it through the soles of his boots, though he knew it might have been the railing shifting in the wind. He stared at the structure until the sound of the river swallowed everything else.

The rules were public. Everyone knew them. Pick the exact date and time. Submit the ticket. Wait for the Tripod to shift. Closest time wins.

But the actual shift mechanism was mysterious and tightly watched. No one stood beside the Tripod with a hand on a lever. No one could tell the river when to break. The wooden structure moved when the ice gave way beneath it, and the official clock recorded the moment.

Or so Ethan had thought.

“So the time on the ticket isn’t necessarily the time you hand it in,” he said.

“Now you’re catching up,” Jeff said.

Ricky pointed toward the river. “People mail tickets from Anchorage. Buy them in Fairbanks. Send them from places that have never seen this Tripod except on a postcard. The whole state gets a chance.”

“And the ticket timing?”

“Public rules,” Jeff said. “Private habits.”

Ethan folded his paper again. “If someone wanted a specific time, they’d need the Tripod to move at that time.”

Ricky’s grin widened.

Jeff’s did not.

A snowmobile buzzed somewhere beyond the overlook, then faded toward the river road. Ethan glanced along the fence line. The official viewing area was marked with orange poles and a chain that sagged in the middle. Beyond it, the snow rolled toward the Tripod in smooth white stretches. There were tracks near the bank, some fresh, some half-filled by wind.

“Can anybody get close?” Ethan asked.

“Not legally,” Jeff said.

“That wasn’t my question.”

Ricky bent over the railing. “There are approach routes.”

“Ricky.”

“What? He’s only looking.”

“Looking is how people start trespassing.”

Ethan followed Ricky’s gaze. A narrow trail curved behind a stand of black spruce, disappearing toward the riverbank. Another set of tracks came down from the opposite side, nearly erased. The Tripod seemed farther away than it was, which was the sort of trick open ice played on the eye.

“Who watches it?” Ethan asked.

“Everybody,” Ricky said.

“That means nobody,” Jeff muttered.

A pickup rolled into the lot. Trooper Voss stepped out, tall and broad in a dark winter uniform, his boots crunching across the packed snow. He paused beside the vehicle and looked directly at the three men.

Ricky gave him a cheerful wave.

Trooper Voss did not wave back.

“Afternoon,” he called.

“Beautiful day,” Ricky answered.

“It’s twelve below.”

“Beautiful for February.”

Trooper Voss came up the path, his gaze moving from the Tripod to the tracks beyond the chain and then to the ticket in Ethan’s glove. “You entering this year?”

Ethan slid the ticket into his pocket. “Still deciding.”

“Take your time,” Voss said. “The river has plenty.”

Jeff coughed into his scarf. Ricky looked out over the ice.

Trooper Voss stopped beside them. “I’ve had three calls about people wandering near the site after dark.”

“Three?” Ricky asked.

“Four, if I count the person who reported himself.”

“That seems efficient.”

“It was not.”

Ethan noticed a small metal tag clipped to Voss’s coat, stamped with the date. “Is there a problem with the Tripod?”

“There’s always a problem with the Tripod,” Voss said. “Usually it’s people.”

His eyes settled on Ricky and Jeff.

Jeff raised both gloved hands. “We’re just explaining the contest.”

“To Ethan?”

“He asked.”

“Ethan asks a lot of questions.”

“That’s why I’m here,” Ethan said.

Voss’s expression softened by half an inch. “Then ask about the official clock. Not the rumors.”

“What’s the difference?”

“The official clock is checked, sealed, and watched. Rumors are cheaper.”

Ricky rocked back on his heels. “Suppose somebody knew when the ice would break.”

“Then I’d ask how.”

“Suppose somebody caused it.”

The wind snapped the flags on the Tripod. Trooper Voss looked at Ricky for a long moment.

“Then I’d investigate a suspicious win,” he said.

Ricky’s smile remained, but something behind it tightened.

Voss turned to Ethan. “Stay on this side of the chain.”

“We are.”

“You are now.”

He walked back toward the pickup, leaving bootprints that filled with loose snow almost as soon as he made them.

Jeff waited until the truck door shut. “He’s getting nosy.”

“He’s a trooper,” Ethan said.

“He used to be less observant.”

“He was never less observant,” Ricky said. “We were just younger.”

Ethan looked again at the Tripod. “You two have already picked a time, haven’t you?”

Neither brother answered.

That was answer enough.

Ricky reached into his coat and pulled out a ticket folded into quarters. He opened it carefully. The paper had a date and time written in dark blue ink.

Ethan read the time.

“Two seventeen,” he said.

“Two seventeen and thirty seconds,” Jeff corrected.

“You can enter seconds?”

“No,” Ricky said. “But you can write them.”

“Why that time?”

Ricky glanced at the river. “Because it’s a good time.”

“That is not an explanation.”

“It’s the best one available.”

Jeff took the ticket from him. “The loophole is simple. The contest cares when the Tripod shifts. The ticket system cares when the entry is recorded. If the ticket gets stamped before the final collection, nobody checks the difference closely.”

Ethan felt the cold through his glove. “You’re saying you can buy tickets at different places, write the same time, and test which shop records them differently.”

“We already did,” Ricky said.

Jeff’s head snapped around. “We tested the purchase points.”

“Same thing.”

“It is not the same thing.”

Ricky ignored him. “Gas station, grocery store, another gas station. Different stamps. Different handling. Same selected time.”

Ethan stared at the ticket. “And then you make the Tripod shift at two seventeen and thirty seconds.”

Ricky’s grin returned.

Jeff looked toward the trooper’s pickup. “That’s the part we haven’t done.”

The river groaned again, louder this time. A crack raced beneath the snow near the far bank, a thin gray line vanishing toward the Tripod. Visitors gasped. Someone laughed nervously. The wooden legs gave a faint, unmistakable shudder.

Ethan stepped closer to the railing.

The Tripod did not move.

The sound faded.

Ricky leaned near him. “There’s an external trigger.”

“What kind?”

“Depends.”

“On what?”

“On whether it works.”

Jeff pulled a small object from his pocket, wrapped in a red cloth. He did not unwrap it. Ethan heard something hard knock against something else inside.

Trooper Voss’s pickup remained at the edge of the lot.

Ethan’s curiosity had brought him to the overlook. It had earned him the rules, the timing flaw, and a clear view of the route Ricky and Jeff meant to use after dark.

It had also placed him beside two known troublemakers with a ticket aimed at a precise moment and a wrapped object that sounded far too solid for good judgment.

Ricky tucked the ticket away. “We’ll meet here tomorrow night.”

Jeff grabbed his sleeve. “We are not saying that where people can hear.”

“Who’s listening?”

From the pickup, Trooper Voss looked up.

Ricky’s smile slipped.

Across the river, the Tripod stood silent on the ice, waiting for a trigger no one could see.

End of chapter one. 32 more chapters in the full book.