A Chinese start-up that is developing an AI-powered laser mosquito zapper has raised US$2.7 million on the Indiegogo crowdfunding platform as it navigates the challenges of complex sensor calibrations and Western safety regulations.Photon Matrix Lab, based in Changzhou, in eastern China’s Jiangsu province, has gone viral around the world with its portable laser mosquito defence system, which compresses industrial-grade lasers into a consumer device. Promising to rapidly detect and eliminate...