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Flip-Chip NIS Cooling Refrigerates a Whole Silicon Chip

A 1,121-pair SINIS chain steers quasiparticles through bump bonds and limits trap backflow, cooling a 3.9 mm silicon chip to 70 mK.

Sep 7, 20265 min2608.17125

UltraVoice Improves Fine-Grained Control in Spoken Dialogue Models

A curated 830-hour dialogue dataset couples style-conditioned instructions with synthesized speech, raising multi-dimensional control scores without reported losses in conversational capability.

Sep 6, 20264 min2510.22588 Code available

GenAI Adoption Reduces Social-Skill Demand Within Roles

Difference-in-differences estimates from seven million postings link GenAI adoption to a 3.4% relative fall in social-skill intensity, not cognitive-skill displacement.

Sep 6, 20264 min2503.09212

Three Obstructions Characterize Finite Path-Width in Countable Graphs

Structural exclusions yield a finite path-width criterion, while universal-host constructions separate line-width bounds from path-width guarantees.

Sep 5, 20264 min2608.27752

Direct Measurements Map Fast Solar-Wind Acceleration

Three spacecraft trace a coronal-hole stream from 9.86 solar radii to 1 au, showing that most acceleration finishes by 60 solar radii.

Sep 5, 20264 min2609.00318

Verifiable Rewards Improve Native Visual Reasoning Training

A 300-task procedural suite replaces preference-only judging with task-specific scorers, raising matched reinforcement-learning performance from 0.509 to 0.548.

Sep 4, 20264 min2608.26105

Streaming ASR Unifies Transcription and Speaker Attribution

VibeVoice-ASR-Streaming interleaves audio, lookahead, and prior text so one model can produce speaker-attributed transcripts as speech arrives.

Sep 4, 20263 min2609.02812

Sharp Region Classifies Degree-Three Rational Sphere Map Denominators

Gram-matrix positivity converts the boundary identity into finite-dimensional linear algebra, yielding an exact two-parameter admissibility region and a complete dimension classification.

Sep 3, 20264 min2608.29451

Fiber Network Verifies Independent Optical Clocks Below 10⁻¹⁷

A two-month, four-country fiber campaign compared seven clocks and measured frequency ratios with uncertainties from 7.7×10⁻¹⁸ to 6.1×10⁻¹⁷.

Sep 2, 20264 min2604.27963

Three Prompt Traits Match Economic Game Behavior

LLM prompts encoding risk aversion, strategic sophistication, and trust reproduce aggregate choices across ten economic game roles and transfer to held-out games.

Sep 1, 20265 min2608.18265

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