Tootfinder

"Tiling with Three Polygons is Undecidable"
Erik D. Demaine; Stefan Langerman 17 Sep 2024
Abstract
We prove that the following problem is co-RE-complete and thus undecidable: given three simple polygons, is there a tiling of the plane where every tile is an isometry of one of the three polygons (either allowing or forbidding reflections)? This result improves on the best previous construction which requires five polygons.
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It remains open whether tiling …

Caroline Polachek - True Love Waits [Radiohead Cover]
#FediRadio #CarolinePolachek

really surprised to see all this traction around #bluesky right now. not sure what to make of it WRT fediverse and mastodon. kind of bums me out that people are not migrating here.

If you have time to call your rep today to oppose HR
9495, please do. It could give the next admin power to revoke non-profits’ tax exempt status just because they don’t like it. Below is a script to read and the link to find your rep (and their contact info).
https://ziplook.house.gov/htbin/findrep_house

Music at night at the Central Post Office. #Algiers #Algeria #DZ

[ May 31, 2030] CFP for publication or other deadline: null https://philevents.org/event/show/101922

Phenomenologies of Religious Experience
This series invites proposals in classical phenomenology, French phenomenology, pre- and post-phenomenologies, and in methodologies that bridge phenomenology and analytic philosophy. The relation between phenomenology and religious experience can be considered in a variety of modes: epistemic (phenomenology as a "rigorous science" of religious experience in Husserl's sense); ontic (phenomenology as a way to access the core motive, or regulative ideal, of religion); analogical (phenomenological …

Bag making in progress. Joining ends to bodies for some tube/duffel shaped purses. Drinking tea, settling into the studio, and getting on with it #handmade #sewing #bagsewing

Interesting report on an old #archival preservation technique and its challenge for #digitization.
A literal 'Spürnase' is helpful: "a faint scent of vanilla is present, a sign that the paper itself has begun to break down" 👃

Digital Collections Spotlight #52: Digitization for Preservation: PEC Letter Books « Moravian Archives