No, the first Philadelphia experiment wasn’t the one you’re thinking of. Instead, it was Ben Franklin’s first kite-flying escapade. Bet you didn't know he had a second kite that produced a message that Franklin struggled to interpret.
—to the Dick the Disk Show, brought to you by W-D-U.

Variants

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  1. “The Second Philadelphia Experiment” by Robert F. Young, Magazine of Fantasy and Science Fiction, July 1964.
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Robert F. Young