3D printing

3D-printed rocket engine succeeds in first test fire

3D-printed moons for spaceflight practice

Handheld 3D-printing pen for custom cartilage implants succeeds in sheep trial

Scientists hit motherlode with 3-D printed gelatin ovaries

How to 3D print optical-grade glass

Nanostructure 3D prints mimic bio-materials

Would you eat a 3-D printed pizza?

Why cat tongues make great hairbrushes

Tailor-made neodymium magnets built by a 3-D printer

3-D printed 'bone' helps heal fractures

Scientists perfect 'recipe' for replacement bone

New bioprinter produces life-sized, living tissue

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