Halcyon actively monitors change covering more than 150 key elements of life.

The 52:52:52 project, launching both on this site and on social media in early 2024 will help you address 52 issues with 52 responses over 52 weeks.

A Mundane Comedy is Dominic Kelleher's new book, which will be published in early 2024. The introduction is available here and further extracts will appear on this site in the coming months.

Rockets

What's Changing? - Space

Please see below selected recent space-related change.