A "mere" 40 light years seems so close, and yet without a warp drive, not even generation travel would realistically get you there. We need a warp drive.
Of course, if we could efficienty reach to 55 Cancri e, it would sure kill today's diamond industry!
Still, when I heard that in the news last night, I was duly fascinated. Only so few years ago, many people were still doubting the existence of any other planets existing in the universe, outside of the Solar System. If that can be believed (then or now).
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.