When John Glenn circled the earth in 1962, his spacecraft, Friendship VII, was slathered in WD-40 from top to bottom. NASA engineers hoped it would reduce friction upon reentry. Uses for WD-40, the list Removes grime from book covers. Prevents mud and clay from sticking to shovels and boots. Removes grease and oil stains on clothes. Softens new baseball gloves. Cleans chrome fixtures in bathrooms. Makes puck slide faster on a hockey table. Cleans and softens paint brushes. Cleans and protects cowboy boots. Removes crayon from walls, carpet, wall-paper, plastics, shoes, toys, chalkboard, monitors, screen doors, and rock walls. Eases arthritis pain (spray the painfulRead More →

The modern seatbelt was created by Volvo engineer Nils Bohlin in 1959. At that time, seat belts were simple two-point waist restraints, and in crashes they often did more harm than good. In the early decades of the automobile industry, safety was just an afterthought. In those days, Volvo built their reputation on selling safer cars, but they gave away the most important safety device ever invented: the three-point seat belt. The design was first launched in the Nordic market in 1959 on the Volvo Amazon and Volvo PV544. It made its way to the U.S. in 1963. But Volvo didn’t do that — theyRead More →

1. Twitter almost never came to be. In 2006, there was a company called Odeo, which helped individuals publish audio. With a lack of growth and investors souring, the company pivoted and decided to conduct a hackathon one day. This brain-storming competition led to the birth of Twitter. 2. This was Twitter’s first ever homepage. The site opened to the public on July 15, 2006. 3. Twitter was created on a playground. Founding team member Dom Sagolla says the group went on the top of a slide at a playground in South Park, a small neighborhood in San Francisco, and Jack Dorsey discussed an “ideaRead More →