December 16, 202570 MeV electron synchrotron, a type of particle accelerator used for radiation therapy. 1956-64
December 15, 2025“Main Street, Hometown, Cosmos.” Inside a space colony in the year 2026, illustrated by Pierre Mion for an Isaac Asimov article in National Geographic (July 1976)
YanniRotten on December 15, 2025 2:53 pm Source: https://onlineonly.christies.com/s/skybreakers-between-heaven-earth/arthur-radebaugh-1906-1974-anonymous-108/283298 Artist: https://www.aacalibrary.org/articles/antique-automobile/painting-the-future-the-life-and-work-of-arthur-radebaugh/ https://www.smithsonianmag.com/science-nature/before-the-jetsons-arthur-radebaugh-illustrated-the-future-122729342/ https://en.wikipedia.org/wiki/Arthur_Radebaugh
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Source: https://onlineonly.christies.com/s/skybreakers-between-heaven-earth/arthur-radebaugh-1906-1974-anonymous-108/283298
Artist: https://www.aacalibrary.org/articles/antique-automobile/painting-the-future-the-life-and-work-of-arthur-radebaugh/
https://www.smithsonianmag.com/science-nature/before-the-jetsons-arthur-radebaugh-illustrated-the-future-122729342/
https://en.wikipedia.org/wiki/Arthur_Radebaugh