Climate tipping risks may include stabilizing feedbacks, review says
Preprint: This commentary reviews recurring stabilizing effects around the AMOC and frozen climate components, but does not settle whether they outweigh destabilizing influences.
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Model predicts a spin qubit that switches speed and coherence
Preprint: A numerical study suggests a single-hole device could use light-hole states for control and heavy-hole states for quieter idling.
Preprint finds trust placement can change modeled secret-key rates
The study introduces two calculation methods and finds that no single assignment is best across representative protocols.
AI monitor flags procedure breaches before two crash impacts
Preprint: A proposed framework matched investigators' findings in two reconstructed accidents, but its real-traffic test covered only 12 violations.
Researchers derive explicit formulas for pairwise comparisons
An arXiv preprint dated 26 August 2026 presents a theoretical basis for projection formulas, with real-world performance still untested.
Active particles can remember how they started, model finds
Preprint analysis finds current fluctuations shift across time scales and remain sensitive to initial conditions in an idealized particle gas.
Real-World Vehicle Data Reveal a Mix of Interaction Patterns
Preprint: An analysis of six trajectory datasets finds concurrent and sequential vehicle changes both common, but it does not reveal the decisions behind them.
New autocorrelation test shows promise at higher time lags
Preprint simulations found mixed performance at lag one but stronger results at selected higher lags, while one solar-intensity series showed several significant lags.
Preprint Narrows the Boundary for Bundles on Quadrics
A mathematical analysis fixes the threshold for odd-dimensional quadrics, narrows the even-dimensional case and identifies non-homogeneous examples.
Preprint Outlines a Route From Visual Learning to General Intelligence
A conceptual synthesis proposes prediction, generation, memory and action as pieces of visual intelligence, but reports no experiment demonstrating the idea.
Turing jump hierarchy restarts after a uniform limit step
Preprint: A formal study finds that ordinary jump closure reaches the arithmetical ideal, while a uniform limit oracle reopens the hierarchy.
Code-driven AI prototype links world state to controllable video
Preprint: A coding agent updates executable worlds while a video model renders their state, but the reported evidence remains qualitative.
Preprint examines bilayer graphene island tunneling and scattering
Tight-binding simulations report associations between valley Hall mode tunneling, impurity resonances and gate-pattern misalignment.
AI tuning coincided with stronger polymer print results
Preprint study on one printer found stronger later batches, but its tests did not establish an advantage over manual tuning.
AI Method Helps Separate Image Signals From Confounding
A preprint study reports more reliable effect estimates in simulations and recovers much of the performance lost to synthetic age confounding in MRI data.
Neural model processes 2.1 million electromagnetic soundings in 25 seconds
Preprint: Held-out tests showed close solver agreement; matched posterior tests found similar but not identical behavior, while the full-sampler comparison was limited by incomplete mixing.
Traffic-video system takes second place, but slips on FETV
Preprint: TAU-Agent combines retrieval, video captions and object tracking to answer questions about transport footage, with uneven results across benchmarks.
Rankings of Tested AI Fact-Checking Systems Vary Across Four Benchmarks
Preprint: A computational comparison found that retrieval and veracity results varied by dataset, while tested language models scored higher with gold-annotated than TF-IDF-retrieved evidence.
Teen Gamers Say Discord Extends Play as Risks Span Platforms
Preprint: Interviews with 16 U.S. teenagers describe Discord as a social hub for gaming, alongside reports of scams, account takeovers and moderation gaps.
Neutron-star model finds finite clusters of magnetic fluxtubes
A preprint reports local vortex pinning and type-1.5-like clustering in a two-dimensional model without phase-gradient entrainment.