Tootfinder

from my link log —
An orbital house of cards: frequent satellite megaconstellation close conjunctions.
https://arxiv.org/abs/2512.09643
saved 2025-12-11 https://

An Orbital House of Cards: Frequent Megaconstellation Close Conjunctions
The number of objects in orbit is rapidly increasing, primarily driven by the launch of megaconstellations, an approach to satellite constellation design that involves large numbers of satellites paired with their rapid launch and disposal. While satellites provide many benefits to society, their use comes with challenges, including the growth of space debris, collisions, ground casualty risks, optical and radio-spectrum pollution, and the alteration of Earth's upper atmosphere through rocket e…

BLUETTI just dropped something big at CES 2026: a road trip charger that runs on your alternator and solar, plus power stations made from bio-circular plastics that slash CO2 emissions.
The Charger 2 solves slow-charging headaches with universal compatibility and bi-directional power. Meanwhile, their new Elite series brings sustainable materials to high-density energy storage.

BLUETTI Targets Circular Economy & High-Speed Mobile Charging — CES 2026 Launch - CleanTechnica
Support CleanTechnica's work through a Substack subscription or on Stripe. The “spec war” in portable power is officially shifting toward material science and deep vehicle integration. Monitoring the latest from CES 2026, it’s clear that BLUETTI is moving beyond the simple “more kilowatt-hours” race to tackle two of the industry’s ... [continued]