Monthly Lectures

Monthly lectures are usually held on the third Saturday of each month (except in the summer and December), at 2:00 PM at the Community College of Philadelphia's Main campus in Center City Philadelphia, PA. Exceptions are noted below.

Parking is available for $4.00 in the college parking garage on 17th St. The garage is open until 6 PM. Note: Free parking in the Bonnell lot across the street is no longer available.
Click here for a campus map.

PhACT thanks Dr. David Cattell and the Philadelphia Community College for providing us with an excellent meeting space.

The general public is more than welcome to attend our lectures. You do not need to be a PhACT member to attend.
For more information, contact Bob Glickman at
Executive meetings are held prior to the monthly lectures, at 1:00 p.m. Any member may attend.

Upcoming Meetings

Saturday, September 19, 2015 - Einstein's Dice and Schrödinger's Cat

Time: 2:00 PM
Location: Community College of Philadelphia, Room W2-48 Details
Speaker: Paul Halpern
Professor Paul Halpern will discuss his new book "Einstein's Dice and Schrödinger's Cat: How Two Great Minds Battled Quantum Randomness to Create a Unified Theory of Physics."
Is there a Grand Unified Theory in your future? Come to this meeting to get some insights on this matter.
Dr. Halpern is the author of many widely acclaimed popular science books, including "Countdown to Apocalypse", "The Quest for Alien Planets", "The Cyclical Serpent", "The Structure of the Universe", "Cosmic Wormholes" and "Time Journeys". He has received accolades and praise from numerous publications, including Publishers Weekly, the San Francisco Chronicle, Nature, Scientific American, Sky & Telescope and New Scientist. "The Cyclical Serpent" was chosen as one of the best Sci-Tech books of 1995 by Library Journal, and "Cosmic Wormholes" was chosen as a main selection of the Astronomy and Natural Science Book Club. He has appeared on many television and radio shows, including the PBS series "Future Quest" and the National Public Radio show "Radio Times".

A recipient of the Athenaeum Society Literary Award, he has published numerous research articles in the fields of general relativity, cosmology, chaos theory, and complexity. In 1996, he was a Fulbright Scholar to Humboldt University in Berlin, Germany, where he studied evolutionary algorithms.

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