Glen Etzkorn
glenetz.bsky.social
In 1965, apprentice to Father of color Op Art who corrected the Additive Color Theory in 1952 - "Optical Illusions and Vibrational Theory' 52 at Yale, establishing the 3rd unit of knowledge - Double or Reverse after image.
👤 Joined on 23 May 2026
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- 23 May 2026, 16:54
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@glenetz.bsky.social
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Find your senators here: www.senate.gov/senators/sen... #NEPA #NHPA #Section106 #Archaeology 🏺🧪
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Is #MosaicMonday a thing here? Let’s pretend it is, because this is my favorite mosaic octopus. The mosaicist, however, seems to have given up on the guilloche border halfway through. 😆 🏺 1/ 2nd-3rd c. CE. Villaquejida, Spain. #MuseoArqueológicoNacional, Madrid. 📸 me
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(6/7) An alternative is simply that the early Homo sapiens population(s) that mixed with early Neanderthals reflect some kind of dispersal out of Africa, given lack of knowledge on population structure in Africa at this time, it’s hard to say exactly who they were and what their geography was.
Show Post(5/7) It is dubious to talk about ‘modern’ humans 300 thousand years ago. No one then looked or behaved like recent people. For wider discussion, see: www.sciencedirect.com/science/arti...
Show Post(4/7) And we have to keen in mind, there is currently no ancient DNA in Africa on anywhere near the timescales involved, so need to be careful with inferences from genetic samples far far removed in time and space)
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