Did you know that WD-40 actually stands for “Water Displacement, 40th Formula?” The common household “fix-it-all” was first created in 1953, and it was originally made to prevent rust on rockets. Now, ...

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.

We may receive a commission on purchases made from links. There are plenty of mistakes everyone makes when using WD-40 around the house. The substance has earned a permanent spot in many toolboxes for ...