文博日历丨楚人的“黑”科技 地下埋藏2500年依旧熠熠生辉

Group 1 - The article highlights the significance of the triangular patterned polished black pottery, which has been buried for 2500 years and still shines brightly, showcasing the advanced technology of the Chu people [2][3]. - The triangular patterned polished black pottery is made from fine clay and features intricate designs, including vertical lines on the neck and triangular patterns on the shoulder, enhancing its aesthetic appeal [5][7]. - The pottery's production process is complex, involving careful selection of clay and precise control of firing conditions, which are critical to achieving the desired characteristics of the black pottery [9][10]. Group 2 - The article discusses the historical context of polished black pottery, noting its rarity during the Xia, Shang, and Zhou dynasties, and its resurgence in the Spring and Autumn period, before gradually disappearing by the Warring States period [9][10]. - The development of black pottery can be traced back to the Neolithic era, with advancements in pottery-making techniques, such as the use of the potter's wheel, leading to improved quality and production efficiency [15][17]. - The article emphasizes the unique characteristics of black pottery, which is known for its glossy surface and thin walls, making it a significant part of ancient daily life and culture [19][21].