{"category":null,"date":{"calendar":null,"day":4,"day_url":"https://kogda.com/4-oktyabrya","month":10,"text":"4 октября 1934 года","year":1934,"year_url":"https://kogda.com/1934"},"id":155701,"kind":"event","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[],"places":[],"related":[],"slug":"enriko-fermi-otkryvaet-effekt-zamedleniya-nejtronov-1934","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/4_октября"},"summary":null,"text":"","title":"Энрико Ферми открывает эффект замедления нейтронов","url":"https://kogda.com/e/enriko-fermi-otkryvaet-effekt-zamedleniya-nejtronov-1934","weight":171}