A new trap held one positron for a month, creating an opportunity for precise tests of how matter and antimatter behave.
Physicists Trap A Single Antimatter Particle For A Month
Browsing Category
General
50 posts
Tiny Possum And Glider Thought Extinct For 6000 Years Found In Remote West Papua
Researchers report living pygmy long-fingered possums and ring-tailed gliders in West Papua, after both were thought extinct for thousands of years.
Faster To Science: A Letter To The Science Community
NASA says Competition Model 2.0 will streamline science mission selection, with shorter timelines and less detailed work required at the first proposal stage.
Against Against Handover
An Astral Codex Ten essay separates AI rule intended to serve human interests from calls for AI to replace humans, and outlines governance risks.
Open Thread 456
Astral Codex Ten’s Open Thread 456 includes meetup updates, an AI safety grantmaking survey, a new prediction market and Common Notes.
Bleached Corals Thrive Within Days When Touching Healthy Neighbour
A lab study found bleached coral fragments recovered after contact with healthy fragments from the same genetic individual.
Solar Surpasses Nuclear Power Globally For First Time
WNISR 2026 says solar generated more electricity than nuclear globally in 2025, as wind and solar growth outpaced a slowly expanding nuclear fleet.
AI Safety Is Not A Corporate Plot
An Astral Codex Ten essay argues that AI risk warnings come from researchers inside and outside major companies, challenging claims of a corporate plot.
Open Thread 455
Astral Codex Ten’s Open Thread 455 invites reader discussion and posts updates on a Stanford meetup, a donation match and an AI research residency.
Antarctic Sea Ice Grows To Its 2026 Maximum
Antarctic sea ice likely peaked on Sept. 14 at 17.59 million square kilometers, the third-lowest winter maximum in the satellite record.
