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Apply Today to Join PSI – It’s Free!

Membership Application for Principia Scientific International (PSI)

As of January 2016 we have simplified the PSI joining process. All you need to do to become a registered member is sign up to our NEWSLETTER (simply fill in the fields on the right of this page and press ‘subscribe’).

While membership is entirely free we do ask you to consider making a donation to help support our running costs. We recommend £25, or $30 (30 Euros). Please donate here.

Or use the ‘DONATE TODAY’ fields to the right of this message.

If you have any questions please do not hesitate to write to: john@principia-scientific.org