Photo of Wilhelm Conrad Röntgen.

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   Project Gutenberg (gutenberg_org@mastodon.social)'s status on Tuesday, 11-Feb-2025 14:42:50 JST Project Gutenberg

   "I did not think; I investigated."

   German physicist Wilhelm Conrad Röntgen died #OTD in 1923.

   On 8 November 1895, he produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays, an achievement that earned him the inaugural Nobel Prize in Physics in 1901. The non-SI unit of radiation exposure, the roentgen (R), is also named after him.

   https://en.wikipedia.org/wiki/Wilhelm_R%C3%B6ntgen

   Books about Röntgen at PG:
   https://www.gutenberg.org/ebooks/search/?query=R%C3%B6ntgen&submit_search=Search

   #books #physics