3. Vawter climbed 103 floors of a Chicago skyscraper on his bionic leg, but its designers are still working on improving it. To optimize it for everyday use, they have to make it even thinner and lighter. Its successor (the iLeg Air?) may meet the Army's stated goal for a bionic leg—10,000 steps without recharging.
4. The block chain has such rich potential that there is an initiative underway to create additional “side chains,” though there is controversy around that idea. “We don’t really want to mess with the main block chain right now,” says Adam Ludwin, CEO of Chain, a block chain API that makes it easier to create bitcoin applications. “It works, we don’t want to break it.”
Faster growth should also dispel worries about another Fed bogeyman: deflation, or falling prices. "It's impossible to have deflation in an economy growing 3%-plus and adding the most jobs since the 1990s," Baumohl said.