WASHINGTON — Boeing plans to begin testing a full 3D-printed main rotor system for the AH-64 Apache attack helicopter in the spring of next year as part of an effort to cut out long-lead times and ...

These days, you can get a fully remote-control helicopter that you can fly around your house for about $30. Maybe less. Back in the day, kids had to make do with far simpler toys, like spinning discs ...

For a couple of years now, I’ve been trying to find an excuse to buy a decent 3D printer. Friends and fellow Ars staffers who had them would gush about them at every opportunity, talking about how ...