Here are various links that I find useful or entertaining. Queen's University Belfast has absolutely no responsibility for the selection of these links, nor for the material that may be found here, nor for any opinions here expressed.
Topology Atlas
Huge online source of topological information and wisdom.
Astronomy Picture of the Day
Self-explanatory title. Imagination candy from NASA.
St George's Singers
Local mixed-voice amateur choir, specialising in perfomances of the works of Bach and Handel. (Meetings suspended during the pandemic.)