Marking time. Radiocarbon timestamps left in ancient tree rings by cosmic ray bombardments can date historical events with unprecedented precisionwww.science.org kwj ( @lysy@szmer.info ) Humanities & Cultures • edit-21 year ago message-square0fedilinkarrow-up14
arrow-up14external-linkMarking time. Radiocarbon timestamps left in ancient tree rings by cosmic ray bombardments can date historical events with unprecedented precisionwww.science.org kwj ( @lysy@szmer.info ) Humanities & Cultures • edit-21 year ago message-square0fedilink