The Cold War Origins of the World’s Most Famous Household Lubricant

WD-40 began in the early 1950s at the Rocket Chemical Company in San Diego, where chemists were trying to create a formula that could prevent metal from rusting and corroding. Its name means “Water Displacement, 40th formula,” reflecting the fact that the successful version was reached on the fortieth attempt in 1953…. Continue Reading 🔽