The Particle Model Public Group Active a year ago Those interested in The Particle Model (TPM) as described by Bob de Hilster and David de Hilster. Public Group Organizer: Organized by Public Group Group Description Those interested in The Particle Model (TPM) as described by Bob de Hilster and David de Hilster. Leave Group Are you sure you want to leave ? Members 20 Feed Albums Discussions Photos 1 All Discussions David Volunteers to read our book David replied 1 year, 8 months ago 3 Members · 10 Replies The Particle Model Jerry a question for TPM Kasim replied 1 year ago 3 Members · 5 Replies The Particle Model Kasim Do Photons Have Mass? Steffen replied 2 years, 1 month ago 6 Members · 13 Replies The Particle Model Bo_ Is geometry relevant in your model(s)? Bo_ replied 2 years, 2 months ago 1 Member · 0 Replies The Particle Model David The Particle Model does not have a Photon Kasim replied 2 years, 3 months ago 2 Members · 1 Reply The Particle Model Viewing 1 - 5 of 5 discussions You must be logged in to create new discussions.