Neighbor

Around 1717, Johann Heinrich Schulze captured cut-out letters on a bottle of a light-sensitive slurry, but he apparently never thought of making the results durable. Vast Expanses of Rock on Earth’s Surface May Act Like a Natural Solar Panel By Yasemin Saplakoglu First Published 2 years ago https://www.livescience.com/65309-photoelectric-current-minerals.html Scientists have found electricity flowing in an unexpected place — across the surfaces of rocks.  Mineral coatings on rocks turn sunlight into electricity, turning on like a light switch when the sun hits them, according to a study published April 22 in the journal Proceedings of the National Academy of Sciences. Photoelectric conversion on Earth’s surface via widespread Fe- and Mn-mineral coatings Anhuai Lu, Yan Li, Hongrui Ding, Xiaoming Xu, Yanzhang Li, Guiping Ren, Jing Liang,  View ORCID ProfileYuwei Liu, Hao Hong, Ning Chen,&nbs[...]