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‘It’s torture’: prisoners’ letters expose subterranean Oklahoma ‘dungeon’ known as the tombs

Exclusive: Letters from inside the underground H Unit of Oklahoma state penitentiary allege beatings, vermin, degrading punishment and in many cases no access to a most basic necessity – natural lightOklahoma prison criticized for allegedly incarcerating people in squalid underground cells with no natural light“Down here in the tombs, there aren’t any windows,” writes Tremane Wood from inside his cell, in a modern-day American “dungeon” that few people have ever heard of. “It’s really like...

The Guardian UK 4h ago

Optimizing Explicit Unit-Distance Lower-Bound Certificates

arXiv:2606.03419v1 Announce Type: cross Abstract: The 2026 disproof of Erd\H{o}s's unit-distance conjecture and Sawin's subsequent explicit quantitative refinement show that the maximum number $u(n)$ of unit distances among $n$ planar points can exceed $n^{1+\varepsilon}$ for a fixed positive $\varepsilon$. Sawin's explicit bound gives more than $n^{1.014}$ unit distances for arbitrarily large $n$ and exposes finite parameters whose choice is not fully optimized. This report formulates the...

arXiv CS 8d ago

Optimizing Explicit Unit-Distance Lower-Bound Certificates

arXiv:2606.03419v3 Announce Type: replace-cross Abstract: The 2026 disproof of Erd\H{o}s's unit-distance conjecture and Sawin's quantitative refinement show that the maximum number $u(n)$ of unit distances among $n$ planar points can exceed $n^{1+\varepsilon}$ for a fixed positive $\varepsilon$. Sawin's explicit bound gives more than $n^{1.014}$ unit distances for arbitrarily large $n$ and exposes integer parameters whose choice is not fully optimized. This report starts from Sawin's...

arXiv CS 3d ago

Optimizing Explicit Unit-Distance Lower-Bound Certificates

arXiv:2606.03419v4 Announce Type: replace-cross Abstract: The 2026 disproof of Erd\H{o}s's unit-distance conjecture and Sawin's quantitative refinement show that the maximum number $u(n)$ of unit distances among $n$ planar points can exceed $n^{1+\varepsilon}$ for a fixed positive $\varepsilon$. Sawin's explicit bound gives more than $n^{1.014}$ unit distances for arbitrarily large $n$ and exposes integer parameters whose choice is not fully optimized. This report treats Sawin's parameter...

arXiv CS 2d ago

Optimizing Explicit Unit-Distance Lower-Bound Certificates

arXiv:2606.03419v2 Announce Type: replace-cross Abstract: The 2026 disproof of Erd\H{o}s's unit-distance conjecture and Sawin's subsequent explicit quantitative refinement show that the maximum number $u(n)$ of unit distances among $n$ planar points can exceed $n^{1+\varepsilon}$ for a fixed positive $\varepsilon$. Sawin's explicit bound gives more than $n^{1.014}$ unit distances for arbitrarily large $n$ and exposes integer parameters whose choice is not fully optimized. This report starts...

arXiv CS 7d ago

India leads among immigrant founders of US billion-dollar startups

Indian entrepreneurs have emerged as the largest immigrant group behind America's billion-dollar startup ecosystem, founding or co-founding 96 US unicorns, according to a new study that underscores the growing influence of Indian talent on the world's biggest innovation economy. The report by the National Foundation for American Policy (NFAP) found that immigrants have founded or co-founded 455 of America's 775 privately held startups valued at $1 billion or more, accounting for 59% of all...

Times of India 6d ago

Bill aims to end H-1B route to Green Cards & cut OPT: What the new act proposes

US lawmaker Chip Roy has introduced a bill aimed to overhaul the H-1B hiring programme titled “American White-Collar Worker Jobs Act of 2026”. Among other changes, the bill seeks to end the use of H-1B visas as a pathway to permanent residency ( Green Card) and eliminates the Optional Practical Training (OPT) program to prioritize employment opportunities for American STEM professionals. Publishing an official release, the Republican lawmaker said that the proposed legislation "would reform...

Times of India 5d ago

Setback for Trump as US judge strikes down $100,000 fee: How it impacts H-1B visa aspirants

"Restriction on entry of certain nonimmigrant workers," US President Donald Trump declared as he signed a proclamation on September 19, 2025, unveiling one of the toughest changes yet to the H-1B visa programme in the name of protecting American jobs and curbing alleged abuses of the system. According to the order, foreign professionals seeking certain new H-1B visas would effectively face a staggering $100,000 barrier, a move that immediately sent shockwaves through the global technology...

Times of India 2d ago

Cybernetic Android Avatar "Yui": System Integration, Field Deployment, and Evaluation

arXiv:2606.08099v1 Announce Type: new Abstract: Remote communication technologies have become widely used; however, supporting a sense of shared physical space and conveying rich non-verbal cues remain challenging in many social interaction scenarios. This study presents "Yui," a full-body cybernetic android avatar designed to integrate operator-side immersive teleoperation with interlocutor-side human-like social signaling. Yui combines a 55-degrees of freedom full-body mechanism with a...

arXiv CS 2d ago

US bill seeks to end H-1B green card pathway: Will Indians be hit hardest?

A Republican lawmaker has introduced a sweeping bill in the US House of Representatives, seeking to overhaul the H-1B visa programme, proposing tougher hiring requirements, higher wage thresholds and restrictions that could significantly affect Indian technology professionals. This bill stands out from a few others that have been lately introduced to repeal or reform the H-1B program. The most controversial provision is a proposal that requires H-1B applicants to maintain a residence abroad...

Times of India 5d ago