An interesting story about the Penrose pattern: https://collection.sciencemuseumgroup.org.uk/objects/co439558/pack-of-four-rolls-quilted-toilet-paper-with-penrose-tiling-packaging-toilet-paper
https://www.google.co.uk/amp/s/www.independent.co.uk/news/kleenex-art-that-ended-in-tears-1266536.html%3famp B > On 8 Oct 2020, at 16:16, Daniel J. Matyola <danmaty...@gmail.com> wrote: > > What an honor to be in his presence. > > Dan Matyola > *https://tinyurl.com/DJM-Pentax-Gallery > <https://tinyurl.com/DJM-Pentax-Gallery>* > > > >> On Thu, Oct 8, 2020 at 11:06 AM Igor PDML-StR <pdml...@komkon.org> wrote: >> >> >> >> As some of you have heard, the Nobel Prize was given this year >> for discoveries in astrophysics. Among the winners is Sir Roger Penrose - >> for black holes (here is the summary: >> https://www.nobelprize.org/prizes/physics/2020/summary/ ) >> >> >> Here is a photo of him (on the right) that I took 10 years ago, in the >> newly built physics institute building with the foyer that has so-called >> "Penrose tile" on the floor: >> http://42graphy.org/~igor/PHOTOS/Mixed-2010/Penrose_and_Tile_IR_5500.jpg >> >> (More about the Penrose tiling: >> http://en.wikipedia.org/wiki/Penrose_tiling ) >> >> >> Igor >> >> >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. >> > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.