“I have a riddle for you to solve, children,” said Copernicus. “For your homework, I would like you to work out the first non-cosmic number that does not lead to a cosmic number.”
After planting that teaser in their brains, he continued the walk, leading them to a courtyard where he paused to explain their surroundings.
“You have just entered the Passage of Antikythera. It was built between the Queen of Science Academy to the South of us and the University of Processing Machines to the North. There is no other route because there are mountains to the East and the West, and it has been cut into the rock.”
