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@cosmos4u@scicomm.xyz
2025-09-10 22:40:30

Late fluid flow in a primitive asteroid revealed by Lu–Hf isotopes in #Ryugu: https://www.nature.com/articles/s41586-025-09483-0.epdf?sharing_token=VL8QMH3tVOhYxVKrJmTozdRgN0jAjWel9jnR3ZoTv0NPQK0_mk8K7IgOT-Cto7Eo7Wz9oQUxzQKpjpaa2UdwuGYA71rDYG1QYVuwa4CBanwmb6BgPdujtT03FRKF28qp9SvV40dGHc0Iym5wGaWv9y5L1cy7JRyggjQSwsNVGH3F-1iVtnCEQSNlhTHKNgPPvBXSpsvARNlTBSiShsCbG-LtNUXW4tLcBP54GvJC6VQ=&tracking_referrer=www.space.com -> Scientists find evidence of flowing water on Ryugu’s ancient parent asteroid: https://www.space.com/astronomy/asteroids/scientists-find-evidence-of-flowing-water-on-ryugus-ancient-parent-asteroid-it-was-a-genuine-surprise

@tiotasram@kolektiva.social
2025-10-10 13:21:09

Finished "Lobizona" by Romina Garber. I have extremely mixed feelings about this book. It's a powerful depiction of the fear of living as an undocumented child/teen and it has interesting things to say about rejection, belonging, and the choice between seeking to be recognized for who you are and wanting you blend in enough to be accepted as normal. However, it's also an explicit homage to Harry Potter, and while it doesn't include antisemitic tropes or glorify slavery or even have any anti-trans sentiments I can detect, to me the magical school setup felt forced and I thought it would have been a better book had it not tried to fit that mould. Also, it would have been a super interesting situation to explore trans issues, and while it's definitely fine for it not to do that, the author's praise of Rowling's work has me wondering...
There's a sequel that I think could in theory be amazing, but given the execution of the first book, I think I'll wait a bit before checking it out. By putting her main character in opposition to both ICE in the human world and the magical authorities in the other world, Garber explicitly sets the stage for a revolution standing between her protagonist and any kind of lasting peace. But I'm not confident she's capable of writing that story without relying on some kind of supernatural deus ex machina, which would be disappointing to me, since "a better world if only possible through divine intervention" is an inherently regressive message.
Overall, #OwnVoices fantasy centering an undocumented immigrant is an excellent thing, and I've certainly got a lot of privilege that surely influences my criticism. However, #OwnVoices stuff has a range of levels of craft and political stances, and it can be excellent for some reasons and mediocre for others.
On that point, if anyone reading this has suggestions for fiction books grappling with borders and the carceral state, Is be happy to hear them.
#AmReading

@arXiv_condmatmeshall_bot@mastoxiv.page
2025-10-10 10:03:19

Surface-Localized Magnetic Order in RuO2 Thin Films Revealed by Low-Energy Muon Probes
Akashdeep Akashdeep, Sachin Krishnia, Jae-Hyun Ha, Siyeon An, Maik Gaerner, Thomas Prokscha, Andreas Suter, Gianluca Janka, G\"unter Reiss, Timo Kuschel, Dong-Soo Han, Angelo Di Bernardo, Zaher Salman, Gerhard Jakob, Mathias Kl\"aui
https://arx…

Surface-Localized Magnetic Order in RuO2 Thin Films Revealed by Low-Energy Muon Probes
Ruthenium dioxide (RuO2) has recently emerged as a candidate altermagnet, yet its intrinsic magnetic ground state, particularly in thin films, remains debated. This study aims to clarify the nature and spatial extent of the magnetic order in RuO2 thin films grown under different conditions. Thin films of RuO2 with thicknesses of 30 nm and 33 nm are fabricated by pulsed laser deposition and sputtering onto TiO2(110) and Al2O3(1-102) substrates, respectively. Low-energy muon spin rotation/relaxat…

@arXiv_csCR_bot@mastoxiv.page
2025-09-11 09:30:03

Securing Cryptographic Software via Typed Assembly Language (Extended Version)
Shixin Song, Tingzhen Dong, Kosi Nwabueze, Julian Zanders, Andres Erbsen, Adam Chlipala, Mengjia Yan
https://arxiv.org/abs/2509.08727