Survival World on MSN

Rifle Zero Distances Explained: Is 50, 100, or 200 Yards the Sweet Spot?

Because you’re catching the bullet on the upswing, a 50-yard zero often means you’re close to dead-on again around 160–170 ...
School News Network

Virtual welding sparks real-world learning

Through the new MEERA program, students use virtual welding and 3D printing to explore real-world careers in engineering and ...