Roomba creator wants to do for gardens what he did for your floors

Let's be honest: while planting your garden can be fun, weeding it usually isn't. Not unless you enjoy crouching down for long stretches, anyway. You might not have to endure the drudgery for too much longer, though. Roomba co-creator Joe Jones and Franklin Robotics are launching Tertill, a robot that weeds your garden all by itself. The machine automatically roams the soil, using sensors to identify small plants (you use collars to protect young crops) and chop them down.