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Year I · No. 57
— Natura non facit saltus —
Thursday, 16 Jul 2026

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· Quantum Physics · 16 · 07 · 2026

New Quantum LDPC Codes Improve Error Correction

Researchers have developed new quantum low-density parity-check (LDPC) codes based on circulant permutation matrices (CPMs). These Calderbank-Shor-Steane (CSS) type codes are crucial for quantum computing, as they enable the protection of quantum information from errors inherent in qubits. The construction is parameterized by column weight J, row weight L, and prime lift size P, and uses an array of pair partitions to impose linear equations that ensure CSS orthogonality.

§ Today’s briefing

5 dispatches · 16 · 07 · 2026

Pristine Meteorite Reveals Clues About Water and Primitive Asteroid Chemistry

NASA scientists are uncovering new clues about ancient water, the chemical evolution of primitive asteroids, and the ingredients that may have helped make life possible in the early solar system. This has been made possible by the analysis of a meteorite recovered immediately upon its fall to Earth on July 16, 2024. The rapid recovery of the specimen, still in a pristine state, is crucial to ensure that its components have not been altered by prolonged exposure to Earth's atmosphere or environmental contamination.

The study of this meteorite offers a unique window into the conditions and chemical processes prevalent in the early stages of our solar system. By examining its composition, researchers hope to reconstruct the history of water in primordial celestial bodies and understand how asteroids may have acted as vehicles for the transport of essential organic compounds. These findings could shed light on the origin of the basic building blocks of life on Earth and elsewhere in the cosmos.

NASA scientists are uncovering new clues about ancient water, the chemical evolution of primitive asteroids, and the ingredients that may have helped make life possible in the early solar system.
§ Technical sheet
Source
NASA
Category
Astrophysics
Edition
57
Date
2026-07-16
Reading
1 min
Origin
Source ↗

§ arXiv briefing

— ex praeprintis hodiernis —
  1. 2607.14089 · aplicada

    Sail membrane optomechanical accelerometers for new physics searches

  2. 2607.14082 · cuantica

    AI-Assisted Formalization of Shor's Algorithm in Lean for Cryptanalysis

  3. 2607.14077 · cuantica

    Renormalizing two-photon contribution to K_L→μ⁺μ⁻ decay

  4. 2607.14063 · cuantica

    Diagonal catalysts enhance quantum annealing

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