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Anchor Lede: Engineers have created a lightweight metal material that can be used as protection from bullets, crashes, and more.
Randy Atkins: It’s tiny air pockets in plastic foam cups that protect you from hot coffee. So Afsaneh Rabiei, an engineer at NC State, is putting such cushions of air in a new metal foam.
Afsaneh Rabiei: We create those bubbles inside stainless steel using hollow spheres put inside a metallic matrix.
Randy Atkins: When impacted in a car crash or explosion the metal foam…
Afsaneh Rabiei: …can absorb the force that is applied upon it.
Randy Atkins: Even from a bullet. It could also protect against radiation and, yes, heat. The foam is about 70-percent lighter than solid steel so, in a car...
Afsaneh Rabiei: …that can translate into a lot of energy saving, fuel economy.