Rocket engineering is shifting from painstaking machining and welding to a world where engines and tanks emerge from printers ...

Aluminum is prized for being lightweight and strong, but at high temperatures it loses strength. This has limited its use in ...

Chris Borge] has made (and revised) many of his own tools using a combination of 3D printing and common hardware, and recently decided to try metal casting. Having created his own tapping arm, he ...

Upgrades, downgrades and a few surprises—2025 rewrote the air-travel rule book. Here's what you missed, and what to expect in ...