Accidental discovery in a bathroom

In 1982, Lonnie Johnson, a NASA engineer, accidentally discovered a powerful jet of water while testing a freon-free heat pump in his bathroom. This incident would later lead to the creation of the Super Soaker, a water gun that became a global success.

Background on Johnson's work

Johnson, who worked at the Jet Propulsion Laboratory in Pasadena in the early 1980s, was involved in the preparation of the Galileo mission to explore Jupiter. His work on developing a heat pump capable of functioning without freon, a refrigerant harmful to the atmosphere, led him to experiment with pressurized water vapor. During a test, a connection loosened, and a jet of water traveled nearly twelve meters, capturing Johnson's fascination.

Prototype development in the garage

Johnson decided to explore this discovery further, assembling a new prototype in his garage using materials such as acrylic, PVC pipes, and a two-liter soda bottle as a reservoir. A full-scale test was conducted on the air base where he worked, with his seven-year-old daughter using the device to water children in the neighborhood.

Struggles to market the invention

Convincing the toy industry took several years, and it was not until 1989 that Johnson found a partner in Larami, a company based in Philadelphia. The toy was first launched under the name Power Drencher but did not attract many consumers. A rebranding effort, including a new name, Super Soaker, led to its success.

Rapid commercial success

By 1991, barely two years after its launch, the Super Soaker surpassed $200 million in sales. The American giant Hasbro acquired Larami along with all the rights related to the invention, consolidating the brand. The toy became a global phenomenon, crossing borders and becoming a staple in playgrounds worldwide.

Long-term impact and legacy

Since its launch in 1990, the Super Soaker has sold over 250 million units worldwide, generating over $1 billion in cumulative revenue. Lonnie Johnson, however, is not just the inventor of the water gun. He holds over 120 patents in various fields, including thin-film lithium batteries, electrochemical conversion systems, and heat pumps.

Diverse career and environmental focus

His career illustrates a rare trajectory, navigating between sophisticated space missions and popular everyday inventions, all while maintaining his initial environmental project. The story of the Super Soaker highlights how unexpected accidents can lead to remarkable innovations.