earliest

A forgotten American photographer captured one of the earliest clear images of a total solar eclipse 175 years ago; the photograph changed eclipse science

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A forgotten American photographer captured one of the earliest clear images of a total solar eclipse 175 years ago; the photograph changed eclipse science

Berkowski made this first solar eclipse photograph at the Royal Observatory in Königsberg, Prussia (now Kaliningrad, Russia). Image Credit: Johann Julius Friedrich Berkowski/Wikipedia A total solar eclipse is one of nature’s most dramatic sights, but 175 years ago it was also a difficult scientific problem to record. On July 28, 1851, a little-known photographer named … Read more

Archaeologists find earliest physical evidence of brass-making in East Asia in southern China

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Archaeologists find earliest physical evidence of brass-making in East Asia in southern China

Archaeologists find the earliest physical evidence of brass-making in East Asia in southern China (PC: Cambridge University Press) A set of ancient crucibles found in Guangzhou is giving archaeologists new clues about how brass-making technology may have reached medieval China. The vessels came from an official metallurgical workshop at the Royal Palace of the Nanyue … Read more