How about direct optical communication at Vanderbilt University?
High gold content. Vanderbilt University has a high gold content, and its doctorate is recognized by the Ministry of Education of China, because Vanderbilt University ranks 200th in the QS World University Ranking from 20/KLOC-0 to 9-2020, and its graduates' employability ranks 20 1-250. In addition, Vanderbilt University ranks 19 in the comprehensive ranking of American universities in USNews.