Chemistry controlled on tiniest scale can create hollow nanoparticles
The same process that creates rust could be used to design new drug-delivery or energy technologies
![rusty truck](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/05/042517_LH_oxidation_main_free.jpg?fit=860%2C460&ssl=1)
OXIDATION IN ACTION Rust is just one type of iron oxide. By studying the process of oxidation in atomic-level detail, scientists can learn to better control it, creating oxides that are useful instead of just eyesores.
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