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

"Children who travel independently and actively to school have better spatial awareness, a better sense of balance, faster social development and fewer learning disorders on average than children who are driven to school." - Ulla Rasmussen, Executive Director Mobility with a Future (Vienna)

A lovely little bit of physics that you might have spotted if you ever play with a slinky. We should all play more, because we should all embrace our curiosity. And finding out how the physical world works is fun!

The 1919 Housing Act - the Addison Act - received the royal assent on this day in 1919. 176,000 council homes were built under its terms and its standard of high quality housing set a benchmark for decades to come. A 1917 photo of Addison and housing from Newcastle, Lancaster and Winchester.

Portrait photograph of AddisonPendower Place, NewcastlePalatine Road, LancasterCromwell Road, Winchester

As this year’s Tour de France comes to a close, we're looking back at London's cycling traditions. These images from the London Picture Archive show Good Friday racing at Herne Hill Velodrome, 1964. Explore our Cycling in London collection on the London Picture Archive through the link in our bio!

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✍️A TNT shortage, a world at war and why an obscure factory next to a Sheffield fast fashion warehouse could help explain how to reindustrialise Britain. An essay on the new Chancellor, the old Chancellor and whether anyone can actually turn our economy around👇 edconway.substack.com/p/the-factor...

The Factory We Had to Build Again

Rachel Reeves, John Healey, and the surprising story of Britain’s return to manufacturing. With some big explosions along the way

edconway.substack.com

📢 The recordings of the "Working with Difficult Records" series are now available online. These sessions offer practical guidance and important perspectives for anyone working with difficult records, difficult conversations, and challenging histories. 🎥 Watch the recordings: tinyurl.com/bddhmn6a

Working with Difficult Records: Sharing Practices Across the Archive Sector

Working with Difficult Records explores how archives engage with difficult records through people-centred and trauma-informed practices.

nationalarchives.gov.uk