This is part one of a tutorial on how to make an FPS for Android in Unity. By the end, you'll be able to walk around a 3D world and shoot at objects!

By using a 3D printer like an iron, researchers can precisely control the color, shade, and texture of fabricated objects, using only one material.

"Speed-modulated ironing" allows people to create 3D-printed objects with varied colors and textures (like the owls pictured here) using only one material ...