Tally grins. At long last, someone seems to appreciate the good parts of her city.

"You know how magnets repel each other? We use that to make stuff hovery. The whole city has a metal grid under it, so everything magnetic can float. Hoverstruts to hold up buildings, mag-lev elevators, and most importantly hoverboards. When you jump off a building wearing a bungee jacket, or fall off a hoverboard wearing crash bracelets, the magnetic field catches you."