Astronomers have recently discovered that the sky flashes frequently in radio wavelengths. These ‘fast radio bursts’ are happening more than 1000 times every day. Nevertheless, their origin has been a mystery for more than a decade, partly because they disappear very quickly. No one knew about the origins of such signals. Could the signals be from aliens?
‘Origins of fast radio bursts and their future applications’, ‘YITP International Molecule-type Workshop Fast Radio Bursts: A Mystery Being Solved?’, Kyoto in Japan and online, 17 Feb. (2021)