Double Robotics' telepresence bot showed up on our radar a few weeks back, and today we got to chat with its creators and see the thing in person. As a quick refresher, Double is a two-wheeled self balancing bot that turns your iPad into a telepresence screen. Company co-founder Marc DeVidts shared a few more details about his bot, letting us know that it's powered by a 28.8V, 2.9Ah lithium ion cell. And, it turns out the Double's controls aren't app-dependant -- it can be operated by either an iPad running the company's
