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Welcome to U3ACommunities

U3ACommunities is a free on-line platform for enquiring minds. It hosts a number of subject based groups who meet on-line monthly. It is independent of the Third Age Trust.

Whilst most of our members are beyond the age of retirement, we do allow anyone to join.

Use the GROUPS menu above to browse the groups and SUBSCRIBE to join one or more groups – you’ll then be emailed about new meetings and other posts. Both subscribing and attending meetings are free.

Due to time constraints, the climate group is no-longer active.

Why not join the fediverse u3a.social for discussions ?



Upcoming Online Meetings

Process Control Automation

In today's world, where many of our traditionally labour-intensive industrial work-places are being transformed by modern technologies, we are relying increasingly on computerised systems to keep everything running smoothly. But[...]

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11 November 2026 10:30 am - 12:00 pm

New Tech – When Does it Change the Workplace? (Re-schedule)

17th November 3pm to 5pm This month I'm delighted to invite Phill Fox to come and talk to us about how generative AI might impact our workplace and jobs.  Phill[...]

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17 November 2026 3:00 pm - 5:00 pm

Engineering Precision Medicine: Microbubbles, Ultrasound, and Nanotechnology

Professor Eleanor Stride Professor of Biomaterials; University of Oxford Eleanor will now be presenting from Brisbane, so we have had to bring the meeting forward to 10:30 am How might[...]

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30 November 2026 10:30 am - 12:00 pm