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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

Environmental Data: What may seem at first like superfluous information to a paranormal investigation in fact provides a backdrop of data that allows investigators to draw connections between anomalies in their data set and conditions in the environment. The types of external environmental conditions that pose potentially significant factors are meteorological (weather), geophysical (earthquake and solar events), and tidal, while the kinds of internal environmental factors of consequence are concerns of electromagnetic fields (EMF), carbon monoxide and natural gas, radiation, barometric pressure and temperature.

click for team bios

EVP: Acoustic Energy or Psychic Imprinting?

The subject of Electronic Voice Phenomena or EVP has provided some of the most compelling evidence of paranormal activity ever captured. But the most intriguing characteristic of Electronic Voice Phenomena is that anyone with a quality recorder can capture it; the phenomena is available to any one willing to spend the time to investigate and carefully analyze their recordings.

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