
Senior Lecturer in Computer Science @UniOfExeter (optimisation, visualisation, water/offshore renewable energy engineering, maritime/ports). Ship photographer.
Joined October 2009
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The replies to this post are the best thing I’ve seen on the internet this year. No exaggeration.
David Walker retweeted
Bryony and Matt are spending £820,000 on a modern, high-performance home on the Cornish coast - designed to meet the highest environmental standards.
Will they pull it off?
📺 NEW Grand Designs | Tonight, 9pm | Channel 4
David Walker retweeted
Desde Frías, Burgos, agradecidos con que nos encendieran el castillo para este momento único. – at Frías, España
My small British company was bought by Americans. I have just been formally reprimanded for sarcasm and sardonic commentary. I told the disciplinary panel I was grateful for the opportunity to reflect on my attitude going forward and would be certain to bear it in mind in future.
David Walker retweeted
SUCCESS! Total Solar Eclipse 2026 from just outside the rural town of Duraton, Spain.
David Walker retweeted
Four years of planning the shots paid off.
#EclipseEspaña #Eclipse – at Principality of Asturias, Spain
Returning to a document I started writing this morning. Never finish on "we will consider". Who only knows how that sentence would have ended...
Lovely weather for @Shieldhall arriving at Falmouth this afternoon.
Sheer incompetence from @GWRHelp. The 1625 Exeter St David’s - Plymouth is delayed by 22 mins. Platform staff said stay on platform for Teignmouth and not to get 1631 stopper, 1625 will get there first. 1625 now running to Plym direct, 7 mins after stopper left…
David Walker retweeted
New paper with @zihao_chen_ out on the arXiv from @exetercompsci : a scalable framework for measuring how public transport actually performs — not just how it's supposed to using large scale data from @busopendata
Link to paper here: arxiv.org/pdf/2603.11477
I’m in this boat. I must be tripping AI detectors all over the place…
Replying to @GregKamradt
I use em-dashes and colons all the time, sigh. AI is stealing our best punctuation marks. Who can we sue?
Tomorrow night’s TV has a lot to live up to! #CelebrityTraitors #raceacrosstheworld
Just attempted to appear knowledgable by quoting Einstein. Sadly it's been (immediately) pointed out that I'm actually quoting Douglas Adams...
David Walker retweeted
All whiteboard markers should have a white body, and all permanent markers should have a black body.

























