![copper-foam-as-a-highly](https://utterbuzz.com/wp-content/uploads/2021/03/copper-foam-as-a-highly-640x407.jpg)
Metal foams are durable, and their small pores and large surface areas suggest they could effectively filter out microbes. Researchers have transformed copper nanowires into metal foams that could be used in facemasks and air filtration systems.
Metal foams are durable, and their small pores and large surface areas suggest they could effectively filter out microbes. Researchers have transformed copper nanowires into metal foams that could be used in facemasks and air filtration systems.