![Screenshot of inf.ed.ac.uk: The Cognitive Style of PowerPoint (2006) [pdf]](https://hn.urlbox.com/shots/renders/2025/1/2/548c1f7a-043f-48e2-9847-9b28787f4bc1.jpg)
![Screenshot of apps.dtic.mil: Memetics – A Growth Industry in US Military Operations (2006) [pdf]](https://hn.urlbox.com/shots/renders/2025/5/18/e97935af-6cb8-4022-9d8f-73647e34cce3.jpg)
First screen, captured .
Looks similar
![Screenshot of people.mpim-bonn.mpg.de: The First 50M Prime Numbers (1975) [pdf]](https://hn.urlbox.com/shots/renders/2024/12/16/04e46ab1-b828-40d7-ae1c-4466594ec70a.jpg)
![Screenshot of yurichev.com: The Errors of TeX [pdf] (1989)](https://hn.urlbox.com/shots/renders/2024/12/13/b77672f3-5d50-4100-bf10-f202596279f1.jpg)
The Errors of TeX [pdf] (1989)(yurichev.com)
41 points by gus_leonel | 7 comments
![Screenshot of classicalstudies.org: Telling Stories in Athenian Law [pdf] (2002)](https://hn.urlbox.com/shots/renders/2024/12/22/b46cdd5b-0aa4-4259-a6cc-3b36acb59afe.jpg)
![Screenshot of gutenberg.org: “A Course of Pure Mathematics” – G. H. Hardy (1921) [pdf]](https://hn.urlbox.com/shots/renders/2024/12/30/c03ec438-746d-4645-bb85-0e189fbeabef.jpg)
Show HN: Tetris in a PDF(th0mas.nl)
1193 points by ThomasRinsma | 211 comments
A PDF file that runs a playable Tetris game using JavaScript and form-field annotations supported by browser PDF engines like PDFium and PDF.js.