It sounds like a plot from a science fiction movie: a US Navy ship vanishes in a flash of green light and reappears hundreds of miles away, with some of its crew fused to the metal or driven insane.
This is the legend of the Philadelphia Experiment, also known as Project Rainbow, which allegedly took place in 1943 at the Philadelphia Naval Shipyard.
According to some accounts, the experiment was based on Einstein’s unified field theory, which aimed to unify gravity and electromagnetism. The US military was supposedly testing a device that could generate an electromagnetic field to make the ship invisible to radar and enemy detection.
But something went horribly wrong, and the ship, the USS Eldridge, disappeared from Philadelphia and materialised briefly in Norfolk, Virginia, before returning to its original location. Some of the crew members suffered gruesome injuries or mental breakdowns, while others simply vanished.
The story has been dismissed by most historians and scientists as a hoax, but it has captivated the imagination of conspiracy theorists, ufologists and paranormal enthusiasts for decades.
The origin of the tale can be traced back to a letter sent in 1955 by a man named Carlos Allende (or Carl Allen) to Morris Jessup, an astronomer and author of a book on UFOs. Allende claimed to have witnessed the experiment from another ship, the SS Andrew Furuseth, and said he had learned about Einstein’s theory from the physicist himself.
Jessup was sceptical of Allende’s claims and could not find any evidence to support them. He eventually gave up on the investigation and died by suicide in 1959.
However, the story gained more attention when the Office of Naval Research received a copy of Jessup’s book annotated by Allende and two other mysterious individuals who seemed to have knowledge of advanced physics and alien races.
The book was published as The Case for the UFO: Varo Edition in 1963 and sparked more interest in the Philadelphia Experiment. Several books, documentaries and films followed, each adding more details and embellishments to the original story.
Some of these sources claimed that the experiment was part of a larger secret project involving time travel, mind control and contact with extraterrestrials. Some also claimed that another experiment in 1983 linked the USS Eldridge to a modern research facility in Montauk, New York, creating a wormhole that allowed people and objects to travel across time and space.
The US Navy has repeatedly denied that the Philadelphia Experiment ever took place or that it was involved in any such research. It has also pointed out several inconsistencies and impossibilities in Allende’s account, such as the fact that the USS Eldridge was not in Philadelphia at the time of the alleged experiment, but in New York or at sea.
Moreover, Einstein’s unified field theory was never completed or published by him, and there is no scientific basis for how it could be used to achieve invisibility or teleportation.
The most likely explanation for the legend is that it was inspired by some real experiments conducted by the Navy during World War II to reduce the magnetic signature of ships and protect them from mines and torpedoes. These experiments involved degaussing coils that were wrapped around the hulls of ships and electrified.
These coils could create a faint greenish glow around the ship, which could have been mistaken for invisibility by some observers. They could also affect the navigation equipment and compasses of nearby ships, which could have led to some confusion about their location.
However, not everyone is convinced by the Navy’s explanations. Some researchers and witnesses have continued to search for the truth behind the Philadelphia Experiment, claiming to have found new evidence or testimonies that support the existence of a secret project.
One of them is Al Bielek, who claims to have been one of the crew members of the USS Eldridge and to have travelled to the future and back during the experiment. He says he has memories of being in the year 2137 and 2749, where he saw a devastated Earth and a utopian society respectively.
He also says he met his brother Duncan, who was also on the ship, and that they both participated in another experiment in Montauk that opened a portal to 1983. He claims he has met other survivors of the experiment who have confirmed his story.
Bielek’s claims have been met with scepticism and criticism by many experts and debunkers, who have pointed out several flaws and contradictions in his statements. They have also questioned his credibility and motives, as he has made money from selling books and videos about his alleged experiences.
Bielek, however, remains adamant that he is telling the truth and that he has a mission to reveal the secrets of the Philadelphia Experiment and its consequences. He says he hopes that one day, the public will learn the full extent of what happened in 1943 and how it changed the course of history.