唐韵诗词 探索中国古典诗词之美 - 提供诗词,古书等内容的赏析、注释、翻译。在线学习中国传统诗词文化 | Explore the beauty of classical Chinese poetry with pinyin, translations and annotations.
Telegraph Simulator Experience the golden age of telegraphy with this authentic 1875 telegraph simulator. Practice Morse code, send messages between cities, and connect with other operators.