„I would not be surprised if Musk hopes to displace the USD (to ‘denationalise’ the dollar) and to replace the world’s reserve currency with ‘privatised’ cryptocurrencies, that both Musk and Trump are now invested in. Both are fearsome prospects, but under this administration, entirely plausible.“
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[ April 28, 2025] CFP for publication or other deadline: null https://philevents.org/event/show/127618
"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 …
The ruble has lost 1/3rd of its value vs. the yuan, but if you factor in OTHER extra costs...
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China strongly limits Russian access to tech in mech. engineering, aviation, and microelectronics.
"...they openly tell us: if you want to get some technologies, buy the product as a whole. We say: no, at best we need components that we'll replace soon. They tell us: we understand this, but aren't going to do it at normal prices. Here is double the price - please.&…
why do people want cosmetics in Fortnite and Roblox and stuff
like imagine booting up a Mario game and being like "time to buy a *fucking handbag*"
[ April 28, 2025] CFP for publication or other deadline: null https://philevents.org/event/show/127622