The invention of the fluorescent marking pen, a instrument for visually emphasizing textual content, is credited to Dr. Frank Honn within the late Nineteen Sixties whereas working for Carter’s Ink Firm. His creation utilized a fluorescent ink encased in a felt-tipped barrel, permitting for simple utility and vibrant colour distinction on the web page.
This seemingly easy innovation dramatically altered how individuals work together with written materials. It facilitated environment friendly learning, fast referencing, and improved info retention by enabling readers to focus on key passages and ideas. This visible assist revolutionized note-taking practices throughout instructional, skilled, and private domains, streamlining info processing and enhancing communication.
