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PACS: 01.10.−m, 01.30.−y, 01.90.+g (all) DOI: 10.3367/UFNe.2026.03.040117 URL: https://ufn.ru/en/articles/2026/4/h/ Citation: Eroshenko Yu N "Physics news on the Internet: April 2026" Phys. Usp. 69 (4) (2026) Accepted: 23rd, March 2026 Оригинал: Ерошенко Ю Н «Новости физики в сети Internet: апрель 2026» УФН 196 446–446 (2026); DOI: 10.3367/UFNr.2026.03.040117