What is rust? A materials scientist explains metal’s crusty enemy
- Written by Guangwen Zhou, Professor of Mechanical Engineering, Binghamton University, State University of New York

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.
What is rust? – Henry E., age 13, Boston, Massachusetts
Imagine leaving your...
Read more: What is rust? A materials scientist explains metal’s crusty enemy