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Year I · No. 43
— Natura non facit saltus —
Thursday, 2 Jul 2026

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· Applied Physics · 02 · 07 · 2026

Undersea optical fibres detect silent whale movements

Scientists have demonstrated that undersea optical fibres, typically used for data communication, can be employed as a new tool to track whales, even when they are not vocalizing. This advancement, based on distributed acoustic sensing (DAS) technology, opens up the possibility of passively monitoring cetacean activity on a large scale, providing crucial data for their conservation and the study of their behaviour.

§ Today’s briefing

5 dispatches · 02 · 07 · 2026

Notable Astronomical Events in July 2026

July 2026 will offer a series of notable astronomical events for skywatchers. Among the highlights are a predawn meetup between the Moon and several planets, the return of a comet, an excellent opportunity to observe the Milky Way, and a new perspective on Saturn's rings.

The month will begin with a planetary conjunction visible before dawn, where the Moon will align with several planets, creating a visual spectacle in the eastern sky. Additionally, a returning comet will be visible near Earth, offering an opportunity for amateur astronomers to track its trajectory. July nights will also be ideal for observing the Milky Way, especially in locations with low light pollution, due to Earth's orbital position.

Among the highlights are a predawn meetup between the Moon and several planets, the return of a comet, an excellent opportunity to observe the Milky Way, and a new perspective on Saturn's rings.
§ Technical sheet
Source
NASA
Category
Astrophysics
Edition
43
Date
2026-07-02
Reading
1 min
Origin
Source ↗

§ arXiv briefing

— ex praeprintis hodiernis —
  1. 2607.01231 · teoria

    Pumping and Ratchet Mechanisms Universally Simulate Many-Body Active Dynamics

  2. 2607.01227 · cuantica

    Global Transverse-Field Ising Model Equivalent to Quantum Circuits

  3. 2607.01193 · cuantica

    Non-signaling Assistance in Quantum Prepare-and-Measure Scenarios

  4. 2607.01221 · teoria

    Type IIB Axion-Dilaton Wormholes and BPS Limit Hessian Revisited

  5. 2607.01217 · cuantica

    Optimizing Observables in Four-Level Quantum Systems

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