Barney Springboro
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7 hours ago · Another zapped weeds with lasers. Yet another deployed robotic arms to cultivate and pick through the foliage. “It’s a hurdle for people to get over, but the reality is, the numbers don’t lie,” said Tim Mahoney, a field representative for Carbon Robotics, a Seattle-based company that created one of the machines on display — a 9,500-pound apparatus known as the LaserWeeder.