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@cosmos4u@scicomm.xyz
2026-02-10 03:57:47

Recording of Monday's SpaceX #Crew12 Prelaunch News Conference: youtube.com/watch?v=I12pFrHAuQI - see also nasa.gov/blogs/spacestation/20 for how weather predictions for a specific area led to a launch delay of at least one day.

@cosmos4u@scicomm.xyz
2026-02-10 04:29:10

The final trailer for #ProjectHailMary is here: youtube.com/watch?v=P0XN3-n-2Lo. And a few have seen parts of the actual movie, some 30 minutes of it: gizmodo.com/we-saw-a-huge-chun

@fanf@mendeddrum.org
2026-05-09 08:42:02

from my link log —
GNU Recutils: a database management system using human-readable text files.
labs.tomasino.org/gnu-recutils/
saved 2020-01-26

@arXiv_csDS_bot@mastoxiv.page
2026-02-10 10:58:06

Approximate Cartesian Tree Matching with Substitutions
Panagiotis Charalampopoulos, Jonas Ellert, Manal Mohamed
arxiv.org/abs/2602.08570 arxiv.org/pdf/2602.08570 arxiv.org/html/2602.08570
arXiv:2602.08570v1 Announce Type: new
Abstract: The Cartesian tree of a sequence captures the relative order of the sequence's elements. In recent years, Cartesian tree matching has attracted considerable attention, particularly due to its applications in time series analysis. Consider a text $T$ of length $n$ and a pattern $P$ of length $m$. In the exact Cartesian tree matching problem, the task is to find all length-$m$ fragments of $T$ whose Cartesian tree coincides with the Cartesian tree $CT(P)$ of the pattern. Although the exact version of the problem can be solved in linear time [Park et al., TCS 2020], it remains rather restrictive; for example, it is not robust to outliers in the pattern.
To overcome this limitation, we consider the approximate setting, where the goal is to identify all fragments of $T$ that are close to some string whose Cartesian tree matches $CT(P)$. In this work, we quantify closeness via the widely used Hamming distance metric. For a given integer parameter $k>0$, we present an algorithm that computes all fragments of $T$ that are at Hamming distance at most $k$ from a string whose Cartesian tree matches $CT(P)$. Our algorithm runs in time $\mathcal O(n \sqrt{m} \cdot k^{2.5})$ for $k \leq m^{1/5}$ and in time $\mathcal O(nk^5)$ for $k \geq m^{1/5}$, thereby improving upon the state-of-the-art $\mathcal O(nmk)$-time algorithm of Kim and Han [TCS 2025] in the regime $k = o(m^{1/4})$.
On the way to our solution, we develop a toolbox of independent interest. First, we introduce a new notion of periodicity in Cartesian trees. Then, we lift multiple well-known combinatorial and algorithmic results for string matching and periodicity in strings to Cartesian tree matching and periodicity in Cartesian trees.
toXiv_bot_toot

@cosmos4u@scicomm.xyz
2026-02-10 03:55:37

NASA’s #Arcstone instrument, designed to improve the accuracy of lunar calibration, successfully completed its technology demonstration, and now begins extended operations: nasa.gov/blogs/smallsatellites - Arcstone launched on June 23 on a SpaceX Transporter-14 from Vandenberg Space Force Base in California, on a six-month mission to measure light reflected by the Moon, which is a stable and potentially highly-accurate calibration source, for satellite sensors

@cosmos4u@scicomm.xyz
2026-02-10 03:16:48

The dynamics of S-stars and G-sources orbiting a supermassive compact object made of fermionic #DarkMatter: academic.oup.com/mnras/article -> 'Dark matter, not a black hole, could power Milky Way's heart': ras.ac.uk/news-and-press/resea

@fanf@mendeddrum.org
2026-05-08 11:42:02

from my link log —
Packaging a Rust project for Debian.
blog.hackeriet.no/packaging-a-
saved 2020-02-01

@cosmos4u@scicomm.xyz
2026-02-10 03:15:20

Isotopic evidence for volatile loss driven by South Pole-Aitken basin–forming impact: #Moon Is Asymmetrical: eos.org/articles/primordial-im - analysis of surface samples from the Chang’e-6 mission suggests that an asteroid may have vaporized parts of the lunar mantle, suppressing volcanic activity on the farside of the Moon.

The median home buyer is 59 years old.
That may sound like a shocking statistic, but it’s part of a trend.
In 2020, the median home buyer was 47 years old, which at the time was also an all-time high.

Here’s another shocking statistic:
The median down payment on a house in 2025 for first time homebuyers surpassed $40,000
— exceeding the median net worth of Americans under 35.
Americans once went in search of their starter homes in their 20s,
but …

@EarthOrgUK@mastodon.energy
2026-05-02 09:51:02

Statscast - Lockdown Changes, Log Noises (2020-05) - May stats and graphs #audification #lockdown2020 - earth.or…

@sauer_lauwarm@mastodon.social
2026-03-02 15:12:07

Kollegin A., die 2020 pandemiebedingt einige Monate in Indien gestrandet war, ist erneut in Indien. Ihr für gestern geplanter Rückflug nach Wien über Dubai, nun ja. Sie wird versuchen, über Japan (woher sie kommt) nach Europa zurückzukehren.

@fanf@mendeddrum.org
2026-03-07 21:42:01

from my link log —
PostgresqlCO.NF: a PostgreSQL configuration guide.
postgresqlco.nf/
saved 2020-02-02 dotat.at/:/V3K8F.html

@nobodyinperson@fosstodon.org
2026-02-27 11:57:38

And here is my published dissertation @…, about quantifying the natural CO2 exhaust at the Starzach site in Southwest Germany (my result: ~10t/d):
hdl.handle.net/10900/176213

Figure 2: Examples of CO2 degassing at the Starzach site. Figure reproduced from Büchau et al. (2022, Appendix A,
page 62, kindly provided by the publisher under a CC-BY-4.0 license). (a) diffuse degassing, small ascending gas
bubbles (during spring 2020 flooding), (b) mofette with largest diameter, examined in 2015 by Lübben and Leven
(2022), (c) picture by Martin Schon in 2019, groundwater monitor well, turned into the site’s most active mofette shortly after its deployment in 2014.
Table 2: Tabular comparison of four low-cost NDIR CO2 sensors evaluated for application at the Starzach site,
reproduced from Büchau et al. (2022, Appendix A, page 65, kindly provided by the publisher under a CC-BY-4.0
license)
Figure 5: Gas flow funnel system mounted over the groundwater monitoring well (Figure 1, installed in 2014, which
turned into a mofette shortly after deployment) at the Starzach site in 2022. Figure reproduced from (Büchau et al.,
2024a, Appendix B, page 80, licensed under CC-BY-4.0).
Figure 9: Flux-gradient setup close to the ground, next to the Starzach site’s mofette with the largest diameter (30 cm,
Figure 2b, examined in 2015 by Lübben and Leven, 2022). Four Sensirion SCD30 low-cost CO2 sensors each
are mounted 40 cm above and below a Campbell Scientific IRGASON eddy covariance station at 60 cm height.
Measurements of this setup are shown in Figure 10 and Figure 11.
@memeorandum@universeodon.com
2026-02-25 22:16:02

Fulton County officials argue FBI agent misled judge to seize ballots from 2020 election (Jacob Knutson/Democracy Docket)
democracydocket.com/news-alert
memeorandum.com/260225/p106#a2

@Mediagazer@mstdn.social
2026-02-24 11:15:44

B2B media brand DatacenterDynamics says revenue rose 175% to £11M per year since 2020 amid the AI boom, and it hit 22.5M views in 2025, up from 2024's 17.3M (Alice Brooker/Press Gazette)
pressgazette.co.uk/publishers/

@Techmeme@techhub.social
2026-02-11 10:45:59

KPMG citing PitchBook data: UK fintech investment totaled almost $11B in 2025 across 418 deals, down from ~$13.4B in 2024 across 527 deals; Revolut raised $4B (Aisha S Gani/Bloomberg)
bloomberg.com/news/articles/20

@cheryanne@aus.social
2026-02-23 11:16:09

The Georgian Surrogacy
Initially created by two Australian Mum's who navigated the complicated world of doing surrogacy in Tbilisi, Georgia during Covid in 2020...
Great Australian Pods Podcast Directory: greataustralianpods.com/georgi

The Georgian Surrogacy
Screenshot of the podcast listing on the Great Australian Pods website
@fanf@mendeddrum.org
2026-04-01 11:42:02

from my link log —
Too much locality... for stores to forward.
pvk.ca/Blog/2020/02/01/too-muc
saved 2020-02-02

Pro-Trump activists who say they are in coordination with the White House
💥are circulating a 17-page draft executive order that claims China interfered in the 2020 election
🔥as a basis to declare a national emergency that would unlock extraordinary presidential power over voting.

Trump has repeatedly previewed a plan to mandate voter ID and ban mail ballots in November’s midterm elections,
⚠️and the activists expect their draft will figure into Trump’s promised ex…

@rasterweb@mastodon.social
2026-02-14 13:02:11

I recently got a “new” iPad (meaning, a used model from 2020) and I was amazed at how terrible it was for web browsing. Then I realized I forgot to point it at my Pi-hole install for DNS.
So much of the (commercial) web is nearly unusable on old(er) devices because of the amount of advertising crammed onto a page.
(Indie sites personal blogs, etc are mostly unaffected. Recipe sites though… whew!)
#web

@tinoeberl@mastodon.online
2026-03-15 10:11:02

Leistung der installierten #Windkraftanlagen pro Jahr in #Deutschland mit Stand vom 10.03.2026.
Der Datenbestand enthält ggf. unplausible Datensätze.
👉 Zusatzlesestoff: 14 Tipps zum #Energiesparen

Leistung der installierten Windkraftanlagen pro Jahr in Deutschland mit Stand vom 10.03.2026. Die Grafik zeigt ein vertikales Balkendiagramm. Die Höhe jedes Balkens entspricht der Leistung neuer Inbetriebnahmen pro Jahr (Wertbeschriftung auf jedem Balken). Bis Ende der 1980er Jahre liegen die jährlichen Zuwächse bei unter zehn Anlagen, ab 1990 steigt die Zahl kontinuierlich. Spitzenwerte erreichen die Jahre 2015 und 2017 mit über 6 GW. Deutliche Einbrüche zeigen die Jahre 2008 und 2018.
@kexpmusicbot@mastodonapp.uk
2026-02-11 10:22:56

🇺🇦 #NowPlaying on KEXP's #VarietyMix
Odetta:
🎵 Hit or Miss
#Odetta
fvuk.bandcamp.com/track/odetta
open.spotify.com/track/4YJ1KDI

@fanf@mendeddrum.org
2026-04-06 11:42:02

from my link log —
UK public transport API.
transportapi.com/
saved 2020-02-26 dotat.at/:/ZF2L4.html

@jackie@social.linux.pizza
2026-02-23 07:03:04

I think the biggest disconnect between the left and the masses right now is that the left is saying "ah man if only the people were class concious then we could actually accomplish something" and I'm like my sibling in Christ they are already class concious, they fight for every movement that's in their interests, did you not see BLM in 2020 or the anti-ICE protests today

@anderelampe@chaos.social
2026-02-11 15:11:04

"Plötzlich Wissen!" ist ein guerilla #WissKomm Projekt von Dr. Julia Schnetzer, Inga Marie Ramcke und mir, gestartet in 2017 (Wissenschaftsjahr 2016*17 Meere und Ozeane), das sich zur Pandemie auf online verlegen musste, einiges hin & her hinter sich hat und immernoch läuft. Heute kam unser Paper darüber raus, im Journal of Science Communication, Sonderedition "

When DHS, USCIS, and DOGE announced the overhaul of the SAVE program,
they explicitly linked the effort to a campaign to combat the “taint” of noncitizen voter fraud,
a long-standing claim tied to the lie that the 2020 presidential election was stolen.
By all appearances, the administration is poised to use the SAVE program to prop up these false claims,
and sympathetic local officials may deploy SAVE to concoct evidence.
This move poses serious risks to vo…

@memeorandum@universeodon.com
2026-02-11 00:45:51

The FBI's Fulton County Raid Was Based on Debunked Claims By Election Deniers (Mother Jones)
motherjones.com/politics/2026/
memeorandum.com/260210/p149#a2

@fanf@mendeddrum.org
2026-05-05 08:42:01

from my link log —
Write tracking for Nim.
nim-lang.org/blog/2020/09/01/w
saved 2020-09-02

@EarthOrgUK@mastodon.energy
2026-04-28 19:51:02

Metacast 2: Podcast Specs and Workflow (2020-04) - Another podcast episode about podcasting - documenting for consistency. - earth.org.uk/metacast-2.html

@tinoeberl@mastodon.online
2026-03-13 07:08:02

Anzahl der Inbetriebnahmen von #Balkonkraftwerken pro Monat in #Deutschland mit Stand vom 10.03.2026.
Unplausible Inbetriebnahmejahre von 1900 bis 2017 wurden durch das Registrierungsdatum der

Balkendiagramm zur monatlichen Anzahl der errichteten Balkonkraftwerke in Deutschland von 2018 bis 10.03.2026. Seit Mitte 2022 ist ein starker Anstieg zu erkennen, mit Spitzenwerten von über 60.000 Neuanlagen pro Monat im Jahr 2024. Der Zubau fällt 2025 etwas ab, bleibt aber auf hohem Niveau.
@fanf@mendeddrum.org
2026-03-02 21:42:01

from my link log —
Interactive HTML trees with no JavaScript and no CSS.
shkspr.mobi/blog/2020/08/inter
saved 2020-08-13

@Dragofix@veganism.social
2026-03-10 22:36:13

BrewDog sold Highland estate for knockdown price after abandoning its reforestation plans theguardian.com/business/2026/

@memeorandum@universeodon.com
2026-02-11 01:50:51

'An absolute travesty': Critics slam affidavit behind Fulton raid for relying on 2020 election lies (Yunior Rivas/Democracy Docket)
democracydocket.com/news-alert
memeorandum.com/260210/p165#a2

The FBI raided an elections office in Georgia
and seized ballots from the 2020 presidential election
in connection with a federal investigation into
“deficiencies or defects” into Donald Trump’s loss in the state, according to newly unsealed documents.
An affidavit for the search signed by a judge last month reveals that
the investigation followed a referral from Trump’s former campaign-linked attorney

An F.B.I. search warrant affidavit unsealed on Tuesday shows that
a criminal investigation into 2020 election results in Fulton County, Ga.,
was set off by a leading election denier in the Trump administration
and relied heavily on claims about ballots that have been widely debunked.
The unsealing of the affidavit in Fulton County is likely to raise more questions
about the Trump administration’s use of the F.B.I. and Justice Department to revive old, largely di…

@tinoeberl@mastodon.online
2026-03-20 11:12:02

Anzahl der #Batteriespeicher je #Batterietechnologien in #Deutschland mit Stand vom 17.03.2026.
3124 nicht aktive und 0 Batteriespeicher ohne Inbetriebnahmedatum wurden a…

Anzahl der Batteriespeicher je Batterietechnologien in Deutschland mit Stand vom 17.03.2026. Ein gestapeltes Flächendiagramm zeigt die Entwicklung der Anzahl von Batteriespeichern in Deutschland nach Batterietechnologien von 2012 bis 2025. Der Großteil entfällt auf Lithium-Batterien, deren Zahl ab 2020 stark ansteigt. Andere Technologien wie Blei-, Metallhydrid-, Redox-Flow- und Hochtemperaturbatterien spielen nur eine geringe Rolle. 397 Datensätze ohne Batterietechnologie ausgefiltert.
@BBC6MusicBot@mastodonapp.uk
2026-02-17 23:51:14

🇺🇦 #NowPlaying on #BBC6Music's #6MusicArtistInResidence
Odetta:
🎵 Hit Or Miss
#Odetta
fvuk.bandcamp.com/track/odetta
open.spotify.com/track/4YJ1KDI

@fanf@mendeddrum.org
2026-03-29 11:42:02

from my link log —
Fast incremental compilation of Kotlin.
blog.jetbrains.com/kotlin/2020
saved 2020-09-24

A search warrant affidavit unsealed on Tuesday reveals that
when the FBI raided the Fulton county election office in Georgia last month,
the decision was based on debunked claims from election deniers
and came after a referral from a White House lawyer who tried to overturn the 2020 election.
The FBI’s investigation “originated” from a referral sent by
Kurt Olsen, an attorney who sought to overturn the 2020 election
and contacted justice department offici…

@fanf@mendeddrum.org
2026-02-21 09:42:02

from my link log —
pgagroal: a high-performance connection pool for PostgreSQL.
github.com/agroal/pgagroal
saved 2020-01-29 dotat.at/…

@fanf@mendeddrum.org
2026-02-18 21:42:03

from my link log —
Fairphone and /e/ team up to build open source, Google-free, sustainable smartphone.
arstechnica.com/gadgets/2020/0

@fanf@mendeddrum.org
2026-02-21 15:42:03

from my link log —
EDSAC 1951 (YouTube)
youtu.be/6v4Juzn10gM
saved 2020-10-28 dotat.at/:/5E7P7.html

@fanf@mendeddrum.org
2026-04-27 11:42:02

from my link log —
T1: a programming language for constrained environments, derived from BearSSL.
t1lang.github.io/
saved 2020-01-11 dotat.at/…

@fanf@mendeddrum.org
2026-02-11 15:42:01

from my link log —
Functional programming in m4.
minnie.tuhs.org/pipermail/tuhs
saved 2020-08-25

COVID may have killed significantly more people in the U.S. in the first two years of the pandemic than official records indicate, with as many as one overlooked death for every five recorded ones. That brings the total to nearly one million deaths just in 2020 and 2021.
That calculation comes from research published today in Science Advances that seeks to understand how many COVID deaths fell through the cracks of official reporting systems. The untallied cases show the burden of the …

@fanf@mendeddrum.org
2026-03-25 21:42:02

from my link log —
TIME for a WTF MySQL moment.
gbl08ma.com/time-for-a-wtf-mys
saved 2020-10-06 dotat…

@fanf@mendeddrum.org
2026-04-17 11:42:02

from my link log —
Void in Haskell is a smell.
tech.freckle.com/2020/09/23/vo
saved 2020-09-24

@fanf@mendeddrum.org
2026-04-12 11:42:02

from my link log —
Videogame doesn't infringe tattoo copyright by depicting basketball players.
blog.ericgoldman.org/archives/

@tinoeberl@mastodon.online
2026-03-13 09:10:02

#Streudiagramm der #Bruttoleistung von #Balkonkraftwerk​en in #Deutschland mit …

Streudiagramm  Entwicklung der Bruttoleistung von Balkonsolarkraftwerken in Deutschland mit Stand vom 10.03.2026. Ein Streudiagramm zeigt die Entwicklung der Bruttoleistung (kWp) von Balkonsolarkraftwerken in Deutschland ab 2018. Jeder orange Punkt steht für eine Anlage. Die meisten Anlagen liegen unter 2 kWp, mit Ausreißern bis über 30 kWp. Die Anzahl und Leistung steigen ab 2022 deutlich an und sind anscheinend mit Inkrafttreten des „Solarpaketes“ am 16. Mai 2024 auf 2 kWp begrenzt.
@fanf@mendeddrum.org
2026-04-26 08:42:02

from my link log —
1:60 scale model of a Boeing 777, made entirely from manila folders.
lucaiaconistewart.com/model-777
saved 2020-07-07

@tinoeberl@mastodon.online
2026-03-12 06:07:02

#Steady #Klimacrew
Nach #KI-Entlassungen: Unternehmen stellen heimlich wieder ein
Nach #Personlabbau

@fanf@mendeddrum.org
2026-04-20 11:42:02

from my link log —
Nornir: an automation framework in Python.
nornir.readthedocs.io/en/lates
saved 2020-03-23 dotat.a…

@fanf@mendeddrum.org
2026-03-20 18:42:02

from my link log —
A guide to contiguous data in Rust.
github.com/paulkernfeld/contig
saved 2020-08-13

@fanf@mendeddrum.org
2026-04-12 14:42:02

from my link log —
Capability-based computer systems. (1984)
homes.cs.washington.edu/~levy/
saved 2020-03-08

@fanf@mendeddrum.org
2026-04-12 20:42:02

from my link log —
How to organize your Rust tests.
blog.logrocket.com/how-to-orga
saved 2020-06-06

@tinoeberl@mastodon.online
2026-03-20 10:11:02

#Speicherkapazität der #Batteriespeicher nach #Marktakteur in #Deutschland

Ein gestapeltes Flächendiagramm zeigt die Entwicklung der Speicherkapazität von Batteriespeichern in Deutschland ab 2012, aufgeteilt nach Marktakteuren, mit Stand vom 17.03.2026. Privatpersonen (blau) dominieren deutlich, Unternehmen (orange) tragen einen kleineren, aber zunehmenden Anteil bei. Die Gesamtkapazität steigt ab 2020 stark an. Die aktuelle Gesamtkapazität liegt bei 20,53 Gihawattstunden.