AI-generated image. Having your nose clogged is one of the most annoying feelings ever. People would go to great lengths to be able to breathe normally again. But would you have a team of microrobots get up there and fix the job? A team of researchers from China and Hong Kong are betting you would. They’ve developed a swarm of robots that can be injected up the sinus cavity, through the nostril. They’re guided by electromagnetism and can create chemical reactions that wipe out bacterial infectio...