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WE'RE BACK!

October 2025 lilbrary presentations return for another season of lively multi-media presentatioins on "ghost hunting" with from a skeptical viewpoint, including high-tech pseudoscience, skeptical inquiry, critical and thinking pitfalls like cognitive biases. Free admission and open to the pubic. Note: Portions of this presentation may not be suitable for very young audiences.

When and where?

Oct. 21, 6-8pm

Kensington Branch Library

4121 Adams Ave, San Diego, CA 92116

Oct. 28, 5:30-7:30pm

Paradise Hills Branch Library

5922 Rancho Hills Dr, San Diego, CA 92139

honoring the heroes of

skeptical inquiry

Frank’s Spirit Box: A device created by Frank Sumption that generates white noise manipulated to coincided randomly with the voltage tuning of an AM radio receiver. This generates a moment of sound in the AM broadcast range of 535 - 1605 kHz, which is then acoustically enhanced. Sumption believed spirits could communicate via the modulated radio waves. The spirit box is largely dismissed as quackery, along with other random sound generating instruments such as digital dowsing rods and the Ovilus.

click for team bios

Class C EVP

Why are Class C EVPs the most common, you may ask? Probably because they're the least likely to be paranormal. Some could be paranormal, certainly, but they're usually too obscured to say with any certainty that they're not caused by some other normal acoustic source in the environment, much less interpret what exactly they're saying....

PPI Podcast #11: Whaley House June Reading Interview #2

Travel back in time through the PPI audio archives for the second of a series of a special interviews with June Reading, Director and Curator of the Whaley House Museum in Old Town San Diego, CA. June shares her personal experiences at the Whaley House with PPI Investigator Brian Miller during a busy winter afternoon at the museum.

Recorded 1982

Length: 00:36:33