“水凝胶”遇上“折纸”，会激发什么样的灵感？
还记得小时候折过的千纸鹤吗？轻轻一拉尾巴，翅膀就能扑扇地动起来；还有那只会跳的小青蛙，按一下，跳一步……人们用智慧将二维的纸张变成三维结构，这门技艺，就是折纸艺术。如今，折纸早已不只是童年的乐趣，更演变成一门跨界科学，叫做工程折纸，融合了数学、力学、材料科学，
yoon
金建希被捕
A South Korean court issued a warrant to detain Kim Keon-hee, wife of former president Yoon Suk-yeol who has been kept in custody