There are thousands of reported uses for WD-40, an aerosol lubricant that's as handy as duct tape. We look at 12 of the more ...

When it is exposed to air, the iron begins to rust. This rusting process produces heat. The second contains a solution of the chemical sodium acetate and a small metal disc. When the disc is bent, ...

Incredibly, the reaction between iron and moist air that produces rust is a very exothermic ... all involve very fast and extremely exothermic chemical reactions. The first 'reaction' that we ...