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Technology

Lightweight Lattice Structures for Aerospace Components

Quick fact

Some 3D-printed lattice structures can be up to 90% air, yet they are strong enough to withstand the forces of rocket launches.

Why this is interesting

Why can a bird’s bone be light yet strong enough to fly? Aerospace engineers have copied this trick to build airplane parts that are 50% lighter than solid metal—imagine a wing that’s mostly air but still holds tons of load.