#author("2024-02-10T14:48:19+09:00","","") Donated Renaissance-era astronomy book surprises university with hidden text - Space.com It appears to be a palimpsest. Author : Elizabeth Howell #technology #tech #innovation #engineering #business #iphone #technews #science #design #apple #gadgets #electronics #android #programming #software #smartphone #samsung #instagood #coding #computer #pro #instatech #education #security #gadget #mobile #instagram #technologynews #HATINC READ MORE : https://hatinco.com/renaissance-astronomy-texts-secret-donation-copernicus-de-sacrobosco.htm