In a nondescript industrial park in Merrimack, New Hampshire, Jason Walker is putting the final touches on what he believes will become the iPod of working robots. Walker, 47, is co-founder of Waypoint Robotics, and the former lead quality and testing manager for the Roomba vacuuming robot. Waypoint, a tech startup about a year old, is housed in one cavernous room with high ceilings and a barebones office upfront filled with large, flat-screen monitors. Co-Founder and CEO Jason Walker is third from the left.Waypoints Robotics "We don't splurge on anything except screens and chairs," Walker says in the easy drawl of his native Kansas. Although he makes no claims to being another Steve Jobs, Walker does fervently believe that he and his small team are going to revolutionize robots in the same way Jobs revolutionized MP3 players.

Here are the largest device recalls in the past 20 years. This handout photo taken and released by Gwangju Bukbu Police Station on Sept. 13, 2016, shows a blown-up Samsung Galaxy Note7 smartphone in Gwangju, 270 kms south of Seoul. The owner claims he received burn injuries on a finger while attempting to extinguish his burning phone after he was jolted from his bed by the sound of an explosion early Sept. 13. SAN FRANCISCO -- Troubles with Samsung's Galaxy Note 7 phones put the South Korean company at the head a long line of companies that have faced major tech recalls. Some go back to the beginnings of the personal computer era, with many linked to overheating and fire danger from malfunctioning lithium ion batteries.