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That being said, although the prototype is suitable for academic research, there’s a lot more to be done before it can be deployed on a larger scale. For example, the paper notes that a smaller laser point would be more effective at killing the roaches but is difficult to implement experimentally. The ability to precisely control which parts of the cockroach's bodies were hit would also be helpful, the paper says. It’s also sadly not quite ready for household use, at least not yet. “It’s not recommended because it’s a little dangerous,” Rakhmatulin said. “Lasers can damage not only cockroaches but your eyes.” Best to keep your cockroach traps for now.Sign up for Motherboard’s daily newsletter for a regular dose of our original reporting, plus behind-the-scenes content about our biggest stories.