The technology is the brainchild of Peter Freer, a North Carolina elementary-school teacher frustrated by stymied efforts to help students with ADD. It took 11 years and three jobs for him to scrape together enough cash to create a prototype for an educational program called PlayAttention. Mr. Freer was testing the technology on the U.S. bobsled team, with the same focus-boosting aim, when Mr. Templeton cold-called him. Could Mr. Freer whip up something like that for nuclear-plant operators? (Read more)