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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

Geiger Counter: Science oriented investigators use Geiger counters to measure anomalous readings of low-level (non-harmful) radiation thought to be one of the energies emitted by a manifesting entity. Any levels of radiation detected, whether or not they coincide with alleged paranormal activity, are recorded and published with other environmental data in the client's Investigation Report. As with changes frequently noted in other environmental conditions, no definitive evidence as yet has been acknowledged by the scientific community that draws a reliable correlation between radiation readings and paranormal activity, nor that there exists such a thing as "paranormal" energy; it is merely a working hypothesis at present. 

click for team bios

Spooking Yourself: Confirmation Bias...

In "Spooking Yourself: Confirmation Bias, Consensus Building, and Household Myth-Making," Karl Sherlock explains one of the most frequent pitfalls in claiming to witness paranormal activity, and warns against two of the most common behaviors that result from it, manufacturing consensus and collaborating on household myths.

PPI Podcast #8: Investigative Techniques (2011)

Part 1 of our presentation: Science & Beyond - A Look at the Science Behind 21st Century Paranomrmal Investigation - is entitled Investigative Techniques.

presented by PPI Investigator Jason Sieckman. Introduction by PPI Investigator Tim Mountain.

Recorded October 11, 2011

Length: 00:17:32