Can a Particle Accelerator Trace the Origins of Printing?
[ad_1] Other Asian innovations, like paper and gunpowder, have a clear record of dissemination to Europe, with artifacts and record-keeping that trace their travel westward along routes of trade and…
Where Do High-Energy Cosmic Rays Come From? A Star’s Last Gasp
[ad_1] Gamma rays from this supernova remnant have been seen by telescopes since 2007, but exceptionally energetic light wasn’t detected until 2020, when it was picked up by the HAWC…