Primordial black holes (PBHs) from the early Universe constitute a viable dark matter (DM) candidate and can span many orders of magnitude in mass. Light PBHs with masses around 1015 g contribute to DM and will efficiently evaporate through Hawking radiation at present time. leading to a slew of observable signatures. The emission will deposit energy and heat in the surrounding inters... https://www.chiggate.com/color-charm-050-cooling-violet-supply/