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Today is October 21, 2024
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[edit]Picture of the Day
[edit]X-rays are a form of high-energy electromagnetic radiation, with wavelengths shorter than those of ultraviolet rays and longer than those of gamma rays – roughly in the range of 0.01 to 10 nanometres. X-rays were discovered by German scientist Wilhelm Röntgen in 1895, who named them X-radiation to signify an unknown type of radiation. X-rays can penetrate many solid substances such as construction materials and living tissue, and X-ray radiography is widely used in medical diagnostics. This medical significance was noticed by Röntgen shortly after he discovered X-rays; this print, titled Hand mit Ringen (Hand with Rings), is a print of his first medical X-ray, taken of his wife Anna Bertha Ludwig's hand in December 1895.Print credit: Wilhelm Röntgen; restored by Yann Forget
Tip of the Day
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Indian activity in Wikipedia
[edit]Collaborations in Wikipedia
[edit]Common themes
[edit]Collaborations |
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Articles |
Science and technology |
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Miscellaneous |
Though this project is inactive, you can help with : Espen Klouman Høiner (random unreferenced BLP of the day for 20 Oct 2024 - provided by User:AnomieBOT/RandomPage via WP:RANDUNREF). |
National themes
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The current HKCOTW is Yuen Woo-ping . Please help improve it to featured article standard.
Every week, a Hong Kong-related topic, stub or nonexistent article is picked to be the HK Collaboration of the Week. The previous HKCOTW was Kowloon-Canton Railway - see improvements.
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Every week, a lacking Irish topic is picked to be the Irish Collaboration of the Week. |