There are several examples of inventions that were stopped from going public by the government for various reasons. Here are a few examples:
- The Philo T. Farnsworth television: In 1927, inventor Philo T. Farnsworth developed a prototype for a television system that used electrons to transmit images. His design was based on the idea of using a cathode ray tube to scan an image and convert it into electrical signals, which could then be transmitted to a receiver and displayed on a screen. Farnsworth’s technology was considered revolutionary at the time, and it formed the basis for modern television. However, the government seized his prototype and classified it as top secret, fearing that it could be used for military and espionage purposes. It was not until the 1950s that Farnsworth’s television was made public and his contributions were recognized.
- The Haunebu II flying saucer: During World War II, the Nazi regime is rumored to have developed a flying saucer called the Haunebu II. According to some accounts, the Haunebu II was a highly advanced aircraft that was capable of achieving tremendous speeds and altitudes, as well as performing impressive maneuvers. It is believed that the Haunebu II was powered by a hybrid propulsion system that used both conventional and unconventional forms of energy. After the war, the technology is rumored to have been seized by the United States government and has been kept secret ever since. Many details about the Haunebu II remain shrouded in mystery and it is difficult to separate fact from fiction.
- The Philadelphia Experiment: In 1943, the United States Navy is rumored to have conducted an experiment in which a ship called the USS Eldridge was made to disappear and reappear in a different location. According to the legend, the ship was equipped with advanced technology that was able to bend light and make it invisible to the naked eye. The experiment is said to have had unintended consequences, including the death of some crew members and the appearance of strange anomalies. The government has never acknowledged the existence of the experiment, and many details about it remain shrouded in mystery. Some people believe that the Philadelphia Experiment was a real event, while others think it is a hoax or a legend.
- The Avrocar: In the 1950s, the United States Air Force developed a prototype for a flying saucer called the Avrocar. The Avrocar was designed to be a highly advanced aircraft that was capable of vertical takeoff and landing, as well as hovering in mid-air. It was powered by a turbine engine and had a circular shape that was intended to reduce drag and improve stability. The Avrocar was never fully developed and the project was eventually abandoned. Many details about the Avrocar remain classified, and it is not clear what happened to the prototype.
- The Starfire Optical Range: In the 1960s, the United States Air Force built a top-secret facility called the Starfire Optical Range, which was located in New Mexico. The facility was used for the development of advanced optics and laser technology, and it was kept secret for many years. The Starfire Optical Range was equipped with advanced telescopes and other instruments that were used to study the stars and the cosmos. It is believed that the facility was used for a variety of research and development projects, including the development of missile defense systems and space-based weapons. In recent years, some information about the Starfire Optical Range has been made public, but many details about the facility and its work remain classified.
In general, the government may decide to keep certain inventions secret for a variety of reasons, including national security, military advantage, and economic competitiveness.