The goal of movies and TV series is to make scenes look realistic. When it comes to prop guns, they don't just look dangerous. Such was the case in the death Thursday of Halyna Hutchins on the set of ...

If you own guns long enough, you eventually see it: that ugly orange fuzz creeping across a slide, a barrel, or a set of sights you really like. Rust feels like it appears overnight. In reality, the ...

Rust occurs through a chemical reaction that happens when iron, or iron alloys like steel, come into contact with water and oxygen. Some things can exacerbate this situation, like the oils and salts ...