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@Techmeme@techhub.social
2025-08-27 20:36:21

Nvidia reports Q2 revenue up 56% YoY to $46.74B, above $46.06B est., Data Center revenue up 56% to $41.1B, and approves an additional $60B in share buybacks (Kif Leswing/CNBC)
cnbc.com/2025/08/27/nvidia-nvd

Nvidia beats on top and bottom lines. Here's why the stock is falling
Nvidia said sales growth this quarter will remain above 50%, signaling to Wall Street that demand for AI infrastructure shows no sign of fading.

@andres4ny@social.ridetrans.it
2025-07-28 21:17:15

I was late to pick my daughter up from camp because #NYCParks closed a huge portion of Corona-Meadows Flushing Park. Apparently for some kind of music festival. There was, of course, no bike detour. The area has highways running through it, and the bridges over the highways are cordoned off. How do you get to

View from an overpass bridge sidewalk, showing a chain-link fence at the end completely blocking access to the park. In the background, trees and the big.. I don' t even know what they are, sculptures?
A sign for KeineMusik Soulection, saying "there will be restricted park access july 21st - july 31st to the following areas: skate park, festival grounds, ny state pavilion, garden of meditation, and surrounding areas. The map shows an area of the park bordered by the Long Island Expressway (a highway) on one side, the Grand Central Parkway (a highway) on another side.
A pedstrian overpass entrance, showing 3 offset chain-link fences close together so that you can barely fit a bike (or stroller/wheelchair, for that matter).
@vosje62@mastodon.nl
2025-07-27 04:38:07

Global Water Supplies Threatened by Overmining of Aquifers: New Study — @…
propublica.org/article/water-a

So much groundwater is now being pumped that it is filling the oceans as it drains off land, becoming one of the largest drivers of global sea level rise.
Water From Land Has Become a Leading Driver of Sea Level Rise Most of the water lost from drying regions is from groundwater pumping, which ultimately shifts fresh water from aquifers into the oceans. Drying land and aquifers Melting glaciers Note: Glaciers refer to the parts of the continents covered in glaciers but excludes the ice sheets of Greenland and Antarctica. Drying land and aquifers refer to the water lost by the continents in areas not covered by glaciers, including river flow …
@fanf@mendeddrum.org
2025-08-28 08:42:03

from my link log —
Tiling with three polygons is undecidable.
arxiv.org/abs/2409.11582
saved 2024-11-21 dotat.at/…

Tiling with Three Polygons is Undecidable
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.

@arXiv_mathph_bot@mastoxiv.page
2025-08-27 08:47:12

Generalized Segal-Bargmann transform for Poisson distribution revisited
Chadaphorn Kodsueb, Eugene Lytvynov
arxiv.org/abs/2508.19038 arxiv.…

Generalized Segal-Bargmann transform for Poisson distribution revisited
For $α>0$ and $σ> 0$, we consider the following probability distribution on $α\mathbb N_0$: $π_{α,σ} = \exp \big(- \fracσ{α^2}\big) \sum_{n=0}^{\infty} \frac{1}{n!} \big(\fracσ{α^2}\big)^n δ_{αn}$, where $δ_y$ denotes the Dirac measure with mass at $y$. For $α=1$, $π_{1,σ}$ is the Poisson distribution with parameter $σ$. Furthermore, the centered probability distribution $\tilde π_{α,σ} = \exp \big(- \fracσ{α^2}\big) \sum_{n=0}^{\infty} \frac{1}{n!} \big(\fracσ{α^2}\big)…

@Techmeme@techhub.social
2025-08-28 20:15:43

Filing: credit reporting giant TransUnion discloses a data breach affecting 4.4M customers' personal info but claims "no credit information was accessed" (Zack Whittaker/TechCrunch)
techcrunch.com/2025/08/28/tran

TransUnion says hackers stole 4.4 million customers' personal information | TechCrunch
The credit reporting giant confirmed unauthorized access to a third-party application storing the personal information of its customers.

@Techmeme@techhub.social
2025-08-28 12:20:37

Rain, a stablecoin-backed Visa card issuer, raised a $58M Series B led by Sapphire Ventures, after raising a $24.5M Series A led by Norwest in March (Yueqi Yang/The Information)
theinformation.com/briefings/s

Stablecoin Card Startup Rain Raises $58 Million Led By Sapphire Ventures
Rain, a stablecoin-backed card issuer that works with Visa, said it raised $58 million in Series B round led by Sapphire Ventures, just months after its last fundraising round, demonstrating once again investor enthusiasm for crypto startups flowing from congressional passage of stablecoin legislation in July. With the deal, Rain’s valuation increased nearly six times from its $24.5 million