Yvan Dutil

@yvandutil.bsky.social

Astrophysicien, énergie, développement durable, radioprotection, systèmes spatiaux, mode de scrutin. @YvanDutil@mstdn.science threads @yvan_dutil https://orcid.org/0000-0002-3843-7473

Our measurements reveal an average brightness seven times brighter than mitigation targets cited in FCC filings and peak values over 200 times brighter than the International Astronomical Union’s recommended threshold (V magnitude 7). iopscience.iop.org/article/10.1...

AST SpaceMobile Satellite Brightness and the Limits of Orbital Regulation

AST SpaceMobile Satellite Brightness and the Limits of Orbital Regulation, Miller, Owen, Campbell, Tanner, Battle, Adam, Pearson, Neil, Tucker, Scott, Gray, Dan, Reddy, Vishnu

iopscience.iop.org

The State Department said ​it takes "full responsibility" for "hastily" altering and then presenting a map of Africa at a global AIDS conference that mislabeled every single country it highlighted. An analysis by Reuters found a watermark in the map image that suggests it was made with OpenAI.

I finally wrote something new! This one's short, and full of images-- most notably, a "lost" image of the Burgess critter Sidneyia bearing the feeding appendages of a radiodont (a relative of Anomalocaris), published in 1918. Cambrian buffs, this one's for you... www.extinctblog.org/extinct/2026...

All the better to catch you with, my dear — Extinct

In which Max presents a lost picture from the history of paleontology: Charles Walcott’s “Sidney crab” complete with massive claws (actually the appendages of a large radiodont)

extinctblog.org