"Still working that out," he says, moving in closer to get a better look at the images Yamato brings up.

"Nine months in a coma was a pretty long time to recover from the lightning, but right after that I broke my arm and it healed in three hours." He rubs his wrist, remembering that particular episode of pain. "But I'm getting faster all the time, and that seems to correlate with how my body functions. Caitlin has noted differences in efficiency within my system, including faster healing. And believe it or not, I'm actually needing to eat less than I had to in the beginning."

The science on Barry is all new, and changing every day as well.

"That said, you might be right. I guess I should at least wait until the ache in my arm goes away. Especially if you want me to pull a Santa Clause to get into this guy's place."

A maintenance shaft, for real?