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Mathematician discovers how to fold the smallest origami doughnut
一张纸要折叠多少次才能做成甜甜圈?几十年后,一位数学家确定了最有效的技术
This Origami Implant Unfolds Under the Skin to Monitor Health
有时,缩小医疗设备的最明智方法不是缩小它,而是折叠它。
How many paper folds would get you to the moon?
折叠一张纸会使其变厚。需要折叠多少次才能到达月球以及更远的地方?