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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

Infrared (IR) Illumination: Digital video and still shot cameras used by PPI investigators are equipped with an ability to "see" in the dark using infrared light. This feature is indispensable since virtually all investigations take place in the cover of darkness. Anomalies such as shadows and moving objects that would otherwise be unseen by the naked eye are more likely to be detected in infrared. Images and video recorded with infrared sometimes seem like they are black-and-white; this is a false color impression.

click for team bios

Residual Haunts

In "Residual Haunts: Why Is This Happening Again & Again?" Tim Mountain reviews the basics of a certain classification of paranormal activity: the recurrent haint, also known as a residual haunting,

PPI Podcast #6: Whaley House June Reading Interview #1

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

Recorded January 7, 1982

Length: 00:25:34