EditorialA tool used to simulate conditions on a microscale for the refining of spodumene minerals, which contain lithium, in a lab at a mine outside La Corne, Quebec, Aug. 30, 2022. (Brendan George Ko/The New York Times)
EditorialArtist: Wang Mian, Chinese, died 1359, Ink?Plum, ca.?1350s, Hanging scroll: ink on paper; with ivory rollers, without mounting: 45 3/16 ? 10 1/4 in. (114.8 ? 26 cm), The plum, blooming in isolation at the end of winter when it is still often surrounded...
EditorialPanning for gold in the refining trough, A long low trough, unilaterally opened, is shaken to and fro in the stream to wash gold from the stream, woodcut, p. 267, (Liber octavus), Manuel, Hans Rudolf (graveur sur bois), 1556, Georgius Agricola: De re m...
EditorialChampagne in the refining racks, - a glimpse in wine cellars at Rheims, France., Underwood & Underwood (American, 1881 - 1940s), 1907, Gelatin silver print.