{"id":621859,"date":"2026-01-18T21:06:30","date_gmt":"2026-01-18T20:06:30","guid":{"rendered":"https:\/\/cronologia-universale.it\/february-1902\/"},"modified":"2026-01-18T21:06:30","modified_gmt":"2026-01-18T20:06:30","slug":"1888-8","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1888-8\/","title":{"rendered":"1888"},"content":{"rendered":"<p>The Italian physicist Augusto Righi coined the term photoelectric effect for the phenomenon just observed by Heinrich Hertz. It was theoretically explained by Albert Einstein in 1905, and would lead to the creation of solar panels (photoelectric cells).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Italian physicist Augusto Righi coined the term photoelectric effect for the phenomenon just observed&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-621859","post","type-post","status-publish","format-standard","hentry","category-e-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1888 - Cronologia Universale<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cronologia-universale.it\/en\/1888-8\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1888 - 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