urban legend about a supposed US Naval experiment in 1943
USS Eldridge (DE-173), c. 1944
The Philadelphia Experiment was an alleged event claimed to have been witnessed by an ex-merchant mariner named Carl M. Allen at the United States Navy's Philadelphia Naval Shipyard in Philadelphia, Pennsylvania, United States, some time around October 28, 1943. Allen described an experiment where the U.S. Navy attempted to make a destroyer escort, USS Eldridge, disappear and the bizarre results that followed.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).