David Underdown
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davidunderdown.bsky.social
David Underdown
@davidunderdown.bsky.social
Data Engineer at The National Archives. Digital Preservation/Digital Archiving. Also cycling, bellringing, photography, choral singing, promming and much more
#UnconfinedWalks another rather miserable day, weather-wise at least today
February 10, 2026 at 9:35 PM
#UnconfinedWalks a work issue which needed prompt investigation stopped me getting out at lunchtime but I just got out before sunset and spotted these hellebores
February 10, 2026 at 7:18 AM
They don’t build resonance like troops marching in step (think the Millennium Bridge in its initial days, where the initial wobble was reinforced because it tended to make people fall into step)
February 10, 2026 at 7:13 AM
<of the homily where I could pick anything out were Italian loan words
February 9, 2026 at 7:26 AM
Once on a choir tour to Malta we sang at a Saturday evening Mass in one of the local parish churches. We sang at a setting in Latin but most of the service was in Maltese. I was momentarily surprised that the creed included the word Allah, but given the Arabic influence it made sense. The only bits>
February 9, 2026 at 7:26 AM
Reposted by David Underdown
STUDY: “The aim of the current study was to investigate the effect of an outdoor cycling intervention on cognitive function and mental health and well-being in older adults.”
The effect of cycling on cognitive function and well-being in older adults
It has been demonstrated that, on their own, both exercise and stimulation from the environment can improve cognitive function and well-being in older adults. The combined effect of exercising in the ...
journals.plos.org
February 8, 2026 at 8:28 AM
Not recent but very first bout of Covid back in March 2020 left me like that for a few weeks
February 8, 2026 at 8:04 AM
#UnconfibedWalks A little walk in the park, mostly avoiding rain
February 7, 2026 at 5:51 PM
Reposted by David Underdown
A cafe in Dublin airport has a robot that delivers hot food orders! But it just sped off without letting the people get their food out.

When it came back it had a human minder. And when my order arrived, the same human bought it, saying she couldn't trust the robot.

This is a post about most AI.
February 6, 2026 at 6:06 PM
#UnconfinedWalks Surprisingly fairly dry at lunchtime! (I was so surprised I almost forgot to take a photo at all). No photos from yesterday’s rather miserable ride to Wigmore Hall for Rhiannon Giddens’ brilliant concert
February 6, 2026 at 6:10 PM
Reposted by David Underdown
Exploring the itineraries of King Edward I 🤓
February 4, 2026 at 12:12 PM
Reposted by David Underdown
what if we kissed while singing little tunes from the 15th century heart shaped book of french love songs ?
February 5, 2026 at 12:13 PM
Reposted by David Underdown
Creative Commons Licenses are ill-equipped for the AI era and the rapid ingestion/scraping of open content by bots. - training for AI doesn't fit traditional copyright definitions because text is converted into statistical patterns that are tokenised processed and used for probability-based outputs.
February 5, 2026 at 12:22 PM
Reposted by David Underdown
New DPC blog post: Supporting COPTR, our community-owned tool registry www.dpconline.org/blog/support... #DigiPres
Supporting COPTR, our community-owned tool registry - Digital Preservation Coalition
www.dpconline.org
February 4, 2026 at 4:20 PM
#UnconfinedWalks A dry day and still some light in the sky as I left the office around 17:15
February 4, 2026 at 8:18 PM
My girlfriend's birthday too
February 4, 2026 at 12:57 PM
Reposted by David Underdown
The @ads-update.bsky.social Archeology Data service (ads) are looking to recruit a Digital Archives Assistant.

jobs.york.ac.uk/vacancy/digi...

#digipres #digipresnorth #archivejobs
Jobs - The University of York
jobs.york.ac.uk
February 3, 2026 at 8:13 AM
Reposted by David Underdown
Today we launch new AI guidelines to help galleries, libraries, archives and museums prepare for the future - read more here: www.archives.org.uk/news/new-ai-...
New AI guidelines launched to help galleries, libraries, archives and museums prepare for the future — Archives & Records Association
The Archives and Records Association UK &amp; Ireland (ARA) has today published new open-access guidelines to help the Galleries, Libraries, Archives and Museums (GLAM) sector prepare their collection...
www.archives.org.uk
February 3, 2026 at 8:38 AM
Reposted by David Underdown
It is always a pleasure to read about Margaret Calvert. Absolute legend. Her contribution to the look of modern Britain is immense.
www.theguardian.com/artanddesign...
Waddle this way! The sign-making genius who kept Britain’s drivers (and ducks) safe
Airports, road signs, animal warnings … Margaret Calvert revolutionised how Britain looked and her brilliantly clear designs are still used today. We meet the font legend and Porsche lover
www.theguardian.com
February 3, 2026 at 6:59 AM
#UnconfinedWalks Met Office said it was likely to be wet all day, but in the end lunchtime wasn’t too bad
February 2, 2026 at 6:38 PM
#UnconfinedWalks Wet again but signs of spring at Wesley’s Chapel, and the sun was trying to break through above Richmond Park
February 1, 2026 at 4:28 PM
Reposted by David Underdown
The research guide on Environmental History that I wrote for The National Archives, UK is now live! Includes research advice and resources on colonial environments, pollution, agriculture, and animal histories.

Available here: www.nationalarchives.gov.uk/help-with-yo...

#envhist #envhum
January 30, 2026 at 4:06 PM
Thank you
January 31, 2026 at 10:08 PM
Reposted by David Underdown
A very unexpected surprise. Browsing the 17th Century Agarde indexes (as one does) and found these lovely illuminated pages. TNA IND 1/17089
January 31, 2026 at 7:01 PM
On a small M&S Malbec while waiting for dinner #ConfinedCocktails
January 31, 2026 at 7:30 PM