New scientific experiments can be inspired by a simple question, and in the case of John Mercer, that question was, "So, John, do toning shoes work?"
新的科学技术实验往往是由一些简单的问题推动的，就约翰·莫瑟而言，那么这个问题就是，“约翰，塑身鞋真的有效吗？”
The process was discovered by John Mercer in 1850 when he noticed that cotton undergoes a general swelling and shrinking when it is treated with caustic soda solution.
该工艺是杰恩·默瑟在1850年发明的，他发现棉经过苛性钠处理后，会有膨胀和收缩现象。
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