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Year I · No. 104
— Natura non facit saltus —
Tuesday, 1 Sep 2026

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· Quantum Physics · 01 · 09 · 2026

Theoretical Guarantees for Variational Quantum Algorithms with Guiding States

A new study has established theoretical guarantees for the performance of Variational Quantum Algorithms (VQAs) when employing guiding states. VQAs are a promising class of hybrid quantum-classical algorithms designed to run on noisy intermediate-scale quantum (NISQ) computers.…

§ Today’s briefing

5 dispatches · 01 · 09 · 2026
· Astrophysics

Total Lunar Eclipse Visible in September 2026

On September 1, 2026, a total lunar eclipse will occur, an astronomical phenomenon in which the Moon passes completely through the Earth's shadow.… more →

NASACol. 4

NASA Launches September 2026 Satellite Puzzler

NASA has launched a new challenge for the scientific community and the public, focusing on a specific location that will be relevant in September 2026. These periodic enigmas from the space agency aim to foster curiosity and knowledge about space missions, astronomical phenomena, or points of interest within the solar system.

While the exact details of the location and its relevance have not been disclosed, the initiative encourages contemplation of potential future events, such as a satellite's position in a particular orbit, the observation of a celestial body, or the commemoration of a space milestone. These "puzzlers" are typically linked to real mission data or astronomical predictions, prompting participants to research and deduce the answer.

NASA has launched a new challenge for the scientific community and the public, focusing on a specific location that will be relevant in September 2026.
§ Technical sheet
Source
NASA
Category
Quantum Physics
Edition
104
Date
2026-09-01
Reading
1 min
Origin
Source ↗

§ arXiv briefing

— ex praeprintis hodiernis —
  1. 2608.31152 · teoria

    New Coarse-Grained Models for Loop Quantum Gravity

  2. 2608.31039 · astrofisica

    Gravitational Waves Confirm Bekenstein-Hod Bound in Black Holes

  3. 2608.31129 · teoria

    Photon Rockets with Cosmological Constant and Gravitational Radiation

  4. 2608.31072 · astrofisica

    Elliptical Orbits with Spin Calculated to Fourth Post-Newtonian Order

  5. 2608.30995 · astrofisica

    Neutron star-black hole mergers to measure their equation of state

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