Most of us have a blue-and-yellow can of WD-40 tucked away in a garage or under the kitchen sink, ready to quiet a squeaky hinge or loosen a stubborn bolt. It\u2019s such a familiar household staple that few people ever stop to wonder what the name actually means.<\/p>\n\n\n\n
The truth is, WD-40 wasn\u2019t created for homeowners at all. It was born during the Cold War as a high-stakes solution for the aerospace industry. In 1953, a small team at the Rocket Chemical Company in San Diego was tasked with protecting the Atlas Missile from corrosion. Because the missile\u2019s outer skin was extremely thin, even small amounts of moisture posed a serious threat.<\/p>\n\n\n\n
Chemist Norm Larsen led the effort to create a formula that could displace water and prevent rust. The team failed thirty-nine times before succeeding on their fortieth attempt. That breakthrough became \u201cWD-40,\u201d short for Water Displacement, 40th formula\u2014a reminder that persistence often matters more than perfection.<\/p>\n\n\n\n