u3a – Petes Home Page

IPv4 and IPv6 addresses

peter / 26 March 2025

This talk takes a look at what an IPv4 address is, the problem of running out of IPv4 addresses and […]

peter / 19 February 2025

Regular social media has been a source of concern for many years, with specific concerns around data gathering, profiling and

peter / 21 January 2025

This short talk briefly covers home automation protocols. First presented at U3ACommunities Computing Forum, a free on-line platform. Sign up

peter / 11 June 2024

This talk covers using home automation + solar + battery + hot water + electric car + smart tariff to

peter / 29 May 2024

I’ll be presenting my Generative AI talk to the STEM group of Sevenoaks u3a Science Seminar on the 5th June

peter / 21 May 2024

I’ll be presenting passkeys (part of my passwords talk) and electricity tariffs to the Science and Technology group of Reading

peter / 15 May 2024

I’ll be presenting my Generative AI talk to the STEM group of Hutton u3a on 22nd May 2024. See https://huttonu3a.org.uk

peter / 14 May 2024

This talk looks at what-you-see-is-what-you-get (WYSIWYG) vs markup methods of producing documents. See Google Slides

peter / 16 April 2024

This talk looks at Email, including a breakdown of an email message, sending with SMTP, routing with DNS, receiving with

peter / 19 March 2024

This talk describes how both “classic” and “generative” neural networks work. Presented at U3ACommunities Computing Forum, a free on-line platform.