Category: Occult Technology

• The Black Box of 1920

  The Black Box of 1920 was the rumor that a sealed electronic or electro-acoustic device existed that could recover sounds from the past—not merely hear the dead in a Spiritualist sense, but retrieve earlier voices, conversations, and events preserved somewhere in matter, ether, or residual vibration. The theory drew heavily on the 1920 publicity around Thomas Edison’s proposed “spirit telephone,” as well as the broader early-twentieth-century overlap between telecommunications and occult research. In its strongest form, the device was said to function like a hidden archive reader, extracting past sound from walls, wires, or the surrounding atmosphere. Because contemporary culture already believed that invisible transmissions could carry voices across distance, the step to believing that a machine might recover voices across time was unusually small.

• Electric Chair Soul-Trap

  The Electric Chair Soul-Trap was the belief that electrocution did not simply kill the condemned but altered the soul’s departure, leaving part or all of the executed person’s essence trapped within prison wires, switchboards, electrodes, or the execution chamber itself. The theory drew power from the overlap between two late nineteenth- and early twentieth-century cultural developments: the rise of Spiritualism and the rise of electrical technology. Because electricity was often imagined as an invisible force linking bodies, minds, and unseen worlds, the electric chair came to be viewed by some not only as a killing machine but as a device that interfered with the soul’s natural release. In prison folklore and occult retelling, execution rooms became charged spaces where the dead remained present because the current had caught them.

• The "OUIJA" Board Possession

  The "OUIJA" Board Possession theory was a 1920s-era occult panic that treated the Ouija board not simply as a parlor game or séance device, but as a real receiving instrument capable of tuning the human mind to hostile intelligences beyond ordinary reality. In its more extreme form, the board was interpreted as a telepathic receiver for a nonhuman or alien dimension whose entities could enter the user’s consciousness through repeated contact. The theory drew on the late nineteenth-century Spiritualist background of the board, the use of planchettes in automatic writing, and a period fascination with radio, invisible waves, telepathy, and unseen communication. It became a classic example of a new communications technology being reimagined as a gateway to invasion from beyond the visible world.

• The "Spirit" Radio

  This theory claimed that wireless communication, especially in its headphone-based listening forms, could open the listener to supernatural contact or even spirit possession. It developed in the overlap between late Spiritualism and the new technologies of telegraphy, wireless transmission, and radio. Because radio made voices audible without visible speakers and operated through invisible waves, it was easily assimilated to preexisting beliefs about unseen entities and disembodied communication. In stronger versions, Marconi’s invention did not merely carry signals through space but provided a channel through which spirits could enter the body and mind.