The work was of minimal interest to him — being a far cry from the formalism of quantum mechanics — but the Westfield plant was close to Vicky’s hometown. She refused to consider moving to London, or Cambridge (there had been a good offer from Brock at the Cavendish), or any other center where he could have followed his own star; and he was too committed to their marriage to think about separating. Consequently he worked on the mathematics of many-particle systems in his spare time, more for relaxation than anything else. Relaxation! The thoughts he had been trying to suppress twisted upward from a lower level of his mind.

Our own government, the Russians, the Americans, the Chinese, the French — any and all of them would snuff me out in a second if they knew what is in my pocket. I can make neutrons dance to a new tune!

Shivering slightly, he picked up a pencil and began work, but concentration was difficult. After a futile hour he phoned the chief photographer and arranged a showing of all recent film on the Jack-and-Jill test firings.

In the cool anonymous darkness of the small theater scenes of water and grainy blue sky filled his eyes, became the only reality, making him feel disembodied. The dark smears of the missiles hovered and trembled and swooped, exhausting clouds of hydraulic fluid into the air at every turn, until their motors flared out and they dropped into the sea, slowly, swinging below the orange mushrooms of their recovery chutes. Jack fell down and broke his crown, and Jill…