In 1938, Chester Carlson, an American physicist, inventor, and patent attorney, invented electrophotography—”the dry printing process we know today as a Xerox” or photocopying (Roff, 2021). Prior to Xerox, however, there was the oldest known printed text from China that existed in the first millennium A.D. (History.com Editors, 2018), implying that […]
You are here: Home / Archives for Christ