The year is 1953. Rocket Chemical, a struggling company in San Diego, sets out to create a rust-preventive solvent that can displace water. On the 40th attempt (note: 39 failures), they nailed it.

WD-40 is a seemingly all-purpose lubricant, degreaser, and water displacer that has helped people loosen stubborn bolts and silence squeaking hinges for decades. There's an old saying that if you need ...

WD-40 is the miracle spray, and it has thousands of different uses. What are some ways to use it that would allow you to save ...