Constantine attached the spatial analyzer, fitting its custom-made curves against the back of his skull. Its microprongs slid smoothly into the jacks connected to his right hemisphere. With its use, space would assume a fantastic solidity, movement would show with superhuman clarity. Constantine lifted the helmet and caught a glimpse of his own sleeve. Lindsay saw him hesitate, studying the fabric’s complex interwoven topology. He seemed fascinated. Then he shuddered briefly and slid his head within the helmet.