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SymFT: a faster simulator for fault‑tolerant quantum circuits that are mostly Clifford operationsNew model uses within‑day mobile phone movement to map where and when infections spreadQuantum-classical workflow runs ab initio molecular dynamics for small solutes and matches exact reference within 1 kcal/molHow disturbances stay glued to a moving surface in relativistic fluids and gasesMathematicians rework an integrable hierarchy tied to 3D spacetime symmetriesIntegers inside the rationals can be detected by seven unknowns, not tenQuantum mirror for mixed‑temperature systems: SWAP injection and SYK dynamics let small quantum processor recover informationHow well LISA could read the lifetime of metastable cosmic strings from their gravitational-wave glowQuantum algorithm preserves lattice chiral symmetry with only a mild costATLAS searches for a light, fast-moving particle decaying to two τ leptons produced with top quarksSymFT: a faster simulator for fault‑tolerant quantum circuits that are mostly Clifford operationsNew model uses within‑day mobile phone movement to map where and when infections spreadQuantum-classical workflow runs ab initio molecular dynamics for small solutes and matches exact reference within 1 kcal/molHow disturbances stay glued to a moving surface in relativistic fluids and gasesMathematicians rework an integrable hierarchy tied to 3D spacetime symmetriesIntegers inside the rationals can be detected by seven unknowns, not tenQuantum mirror for mixed‑temperature systems: SWAP injection and SYK dynamics let small quantum processor recover informationHow well LISA could read the lifetime of metastable cosmic strings from their gravitational-wave glowQuantum algorithm preserves lattice chiral symmetry with only a mild costATLAS searches for a light, fast-moving particle decaying to two τ leptons produced with top quarks

Today's Briefing

Friday, July 31, 2026
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Quantum PhysicsFeatured briefing

SymFT: a faster simulator for fault‑tolerant quantum circuits that are mostly Clifford operations

This paper introduces SymFT, a new classical simulator for a common class of fault‑tolerant quantum circuits. These circuits are dominated b

July 31, 2026EN2 min read
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Featured Categories

Artificial Intelligence

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July 30, 2026

Early tests show AI agents can do research engineering but not the hard creative work

This paper asks a direct question: can current AI agents carry out open-ended AI research on their own? The authors introduce a method calle

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Artificial Intelligence
July 29, 2026

AI scientist designs quantum error‑correcting codes tuned for real hardware

Researchers introduce OmniQEC, an artificial intelligence system that searches for quantum error‑correcting codes that work well on real qua

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Artificial Intelligence
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ClinFusion: a vision-focused multimodal LLM that reads 2D and 3D medical images

This paper introduces ClinFusion, a multimodal large language model (MLLM) designed to understand medical images the way clinicians do. The

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Machine Learning

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Early tests show AI agents can do research engineering but not the hard creative work

This paper asks a direct question: can current AI agents carry out open-ended AI research on their own? The authors introduce a method calle

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Machine Learning
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CARE: Let the model use more experts only when it is unsure

Large language models sometimes use a Mixture‑of‑Experts (MoE) design. In MoE, a small router decides which expert subnetworks should proces

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July 31, 2026

Quantum-classical workflow runs ab initio molecular dynamics for small solutes and matches exact reference within 1 kcal/mol

Researchers built a hybrid quantum-classical workflow that can drive ab initio molecular dynamics (AIMD) for small molecules and liquid solu

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A five‑charge arrangement disproves Maxwell’s long‑standing conjecture

A new mathematical example shows that a conjecture attributed to J. C. Maxwell about the number of equilibria of an electric field is false.

Latest Research

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July 31, 2026

New model uses within‑day mobile phone movement to map where and when infections spread

This paper presents a new modelling framework that uses within‑day human movement to redefine how we measure transmissibility during an outb

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Physics
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Quantum-classical workflow runs ab initio molecular dynamics for small solutes and matches exact reference within 1 kcal/mol

Researchers built a hybrid quantum-classical workflow that can drive ab initio molecular dynamics (AIMD) for small molecules and liquid solu

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Mathematics
July 31, 2026

How disturbances stay glued to a moving surface in relativistic fluids and gases

This paper studies small disturbances that stay close to a flat surface moving at constant speed through a relativistic medium. Examples inc

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Mathematics
July 31, 2026

Mathematicians rework an integrable hierarchy tied to 3D spacetime symmetries

Main idea: The paper revisits a previously proposed integrable system connected to BMS3, the symmetry group that describes allowed changes a

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Mathematics
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Integers inside the rationals can be detected by seven unknowns, not ten

This paper shows that the set of non-integers among rational numbers can be described by a single polynomial equation that uses only seven q

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High Energy Physics - Theory
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Quantum mirror for mixed‑temperature systems: SWAP injection and SYK dynamics let small quantum processor recover information

This paper studies a laboratory version of a thought experiment about black holes and information. The authors adapt the Hayden–Preskill rec

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High Energy Physics - Phenomenology
July 31, 2026

How well LISA could read the lifetime of metastable cosmic strings from their gravitational-wave glow

This paper asks whether the Laser Interferometer Space Antenna (LISA) could do more than detect a cosmological gravitational-wave background

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High Energy Physics - Lattice
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Quantum algorithm preserves lattice chiral symmetry with only a mild cost

This paper gives a quantum algorithm that implements the overlap fermion Hamiltonian while keeping lattice chiral symmetry nearly exact. In

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High Energy Physics - Experiment
July 31, 2026

ATLAS searches for a light, fast-moving particle decaying to two τ leptons produced with top quarks

Scientists with the ATLAS experiment at the Large Hadron Collider searched for a light new particle, called a, that would be produced togeth

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Machine Learning
July 24, 2026

Combining speech and transcripts with open-source language models improves automated detection of cognitive impairment

Researchers propose a privacy-preserving system that uses both recorded speech and its transcript to detect cognitive impairment. By convert

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Large simulation study finds mobile ions make little steady‑state difference in efficient perovskite solar cells

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