Why is stainless steel, er, stainless?
We pay 拢25 for every answer published in New 杏吧原创. To answer this question 鈥� or ask a new one 鈥� visit newscientist.com/lastword. Terms and conditions apply.
This article appeared in print under the headline 鈥淚t鈥檚 a steel鈥�
Advertisement