The Philadelphia Experiment

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  • 1. By: Cantin Gillen
  • 2. German U-boats
    • In WWII
    • German U-boats were able to maneuver around battle ships and destroy American convoy ships.
    • U-boats were smaller and therefore had a smaller turning area, compared to our battle ships.
  • 3. U.S. Response to U-boats
    • Destroyer Escort
    • Did what its name implies --escorted the destroyers
    • An anti-submarine vessel
    • A mini destroyer, very similar, except not as fast, but more maneuverable.
    • Ex: the USS Elderage
  • 4. Ultimate Defense Against Subs
    • U-boats
    • Destroyer escorts
    • These enemy subs were not limited to maneuverability.
    • They were able to approach a convey without detection, from the deep.
    • Some believe that the US military had a plan to create a ship that was undetectable by enemy radar.
    • The destroyer escorts were perfect candidates.
  • 5. Albert Einstein
    • Experiment
    • Einstein
    • A test of Unified Field Theory of Gravitation and Electricity.
    • Published his theory in Germany around 1927 but it was rendered incomplete.
  • 6. Actual experiment
    • USS Eldridge (escort destroyer)
    • Wrapped in steal cable
    • High voltage energy ran through cables that was produced by large generators .
    • This altered magnetic fields.
  • 7. First experiment
    • July 22, 1942 at 0900 the large generators of the USS Elderage were switched on.
    • This was done in plain view of other merchant ships that were in the Philadelphia naval yard.
    • A green haze or fog formed around the ship as the fields built up.
    • Then it was claimed that the green fog disappeared, taking the ship with it.
    • Complete success- not only was it invisible to radar but it was also invisible to the eye.
    • Returned to natural state after 15 mins.
  • 8. First Experiment (Continued)
    • Although the Navy succeeded in masking the ship from radar they also made it invisible.
    • The equipment on the ship had been altered.
    • And this cause the ships crew to become very sick and disoriented.
  • 9. Final Experiment
    • October, 28, 1943 at 17:15 in the Philadelphia Naval Yard
    • The generators were switched on and almost completely disappeared.
    • But this time reappeared a few minutes later in Norfolk, Virginia and was seen for several minutes then vanished and returned to Philadelphia
    • ( teleportation )
  • 10. Gone wrong
    • With the return of the ship came many problems
    • Most of the crew was violently sick
    • Some were missing and never found
    • The craziest thing of all was that some of the men were fused to the steel of the ship, embedded in the bulkheads
    • -watch 7:00 to end
  • 11. Government response
    • The navy did not report this issue
    • Crew members receive neural damage from the intense magnetic fields, this killed many and drove other insane
    • The government tried to keep this experiment a secret by brain washing those who survived
    • Also altering the ships logs to show that it was never in Philadelphia, this closed the experiment
  • 12. Bibliography
    • Philadelphia Experiment . (n.d.). Retrieved from
    • The "Philadelphia Experiment." (2000, November 28). Retrieved from faq21-1.htm
    • The True Story of the Philadelphia Experiment [Video file]. (2007, June 13). Retrieved from http:/
    • Turner, J. (n.d.). The Philadelphia Experiment . Retrieved from Viewzone website: