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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

Ectoplasm: A viscous material believed by some to be the residue of ghostly visitation, ectoplasm has almost no substance in fact. Rather, it is a "residue" of an older style of paranormal huckstering and spirit photography, in which spirit mediums represented their ability as spiritual conduits by drawing ropes of cheesecloth out of their ears, mouths or nostrils. With the success of the film Ghostbusters, which featured copious amounts of viscous material in its special effects and makeup, ectoplasm became a boilerplate detail once again in films and television programs with ghostly subject matter, and adds an atmosphere of horror by drawing on our fear of the disgusting. However, even though unexplained stains and real residue turn up from time to time in reports of paranormal activity, ectoplasm is found primarily in the realm of fantasy only.

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Medical Matters

If you've been asked to submit information about your medications and medical conditions, please read on.

PPI Podcast #10: Evidence Analysis (2011)

Part 3 of our presentation: Science & Beyond - A Look at the Science Behind 21st Century Paranomrmal Investigation - is entitled Evidence Analysis - Wrong Thinking, Seeing Ain't Believing and Can You Hear Me Now? Presented by PPI President Karl Sherlock.

Recorded October 11, 2011

Length: 00:35:48