Since 5G was announced, it has polarised public opinion. Many claim that it will revolutionise the world, while others fear that it poses a threat to our health. In Malta, the installation of new antennas on rooftops and public spaces has fueled debate. But what is 5G, how does it work, and is it actually dangerous? THINK speaks with Dr Julian Bonello, a researcher from UM’s Department of Physics, to separate fact from fiction.