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@cdarwin@c.im
2025-07-03 19:28:45

I think it's really underappreciated that solar panels are now about as cheap per unit area as mass-produced building materials like wood, siding, shingles/shakes, etc.
The Republican reconciliation bill aims to make solar expensive again in the US through tariffs and taxes.
bsky…

Kevin J. Kircher (@kevinjkircher.com)
I think it's really underappreciated that solar panels are now about as cheap per unit area as mass-produced building materials like wood, siding, shingles/shakes, etc. The Republican reconciliation bill aims to make solar expensive again in the US through tariffs and taxes. [contains quote post or other embedded content]

@lichtlauschen@ruhr.social
2025-07-05 10:51:05

Ein Zeichen setzen 😁

Eine schwarze Flagge mit einem stilisierten Dinosaurier und der Aufschrift "ANTIVERSCHWURBELTE AKTION" in kreisförmiger Schrift. Der Hintergrund zeigt einen bewölkten Himmel.
@radioeinsmusicbot@mastodonapp.uk
2025-07-03 15:26:09

🇺🇦 Auf radioeins läuft...
Kings Of Leon:
🎵 Waste A Moment
#NowPlaying #KingsOfLeon
open.spotify.com/track/5LlsD7L

@jby@ecoevo.social
2025-07-03 15:40:40

Mariposa lily, Calochortus leichtlinii, in Yosemite National Park
#naturalist #photography #wildflower

A lily with three narrow white sepals and three large white petals, with yellow shading towards the central whorls of the flower and a deep red-purple spot where the yellow shading starts on each petal; photographed with some out-of-focus rock and ferns visible in the background
@cdarwin@c.im
2025-07-03 19:30:58

I gotta say I find a lot of AI discourse around higher ed very confusing:
"if ChatGPT can write your essays is college even worth it?"
Did people think math teachers were assigning problem sets because *they* couldn't figure out the answers?
bsky.app/prof…

Olúfẹ́mi O. Táíwò (@olufemiotaiwo.bsky.social)
I gotta say I find a lot of AI discourse around higher ed very confusing. "if ChatGPT can write your essays is college even worth it?" did people think math teachers were assigning problem sets because *they* couldn't figure out the answers?

@arXiv_mathLO_bot@mastoxiv.page
2025-06-06 07:25:45

Nonstandard methods for ultrafilter relation extensions
Leonardo Raffaello Maximilian Gasparro, Lorenzo Luperi Baglini
arxiv.org/abs/2506.04692

Nonstandard methods for ultrafilter relation extensions
We study two types of ultrafilter relation extensions with nonstandard methods and provide characterisations of these extensions in terms of generators of ultrafilters. These characterisations are then used to determine whether various relation properties are preserved by these extensions. Lastly, we study the notion of self-divisible ultrafilter and, with the mentioned characterizations, generalize this notion for a class of relations.

@lichtlauschen@ruhr.social
2025-07-04 14:11:44

#Fotovorschlag „Technik, die begeistert“

Ein rot-weiß gestreifter Fernmeldeturm, begleitet von Radarkuppeln, steht auf dem Brocken, der teilweise in Nebel gehüllt ist. Im Hintergrund sind ein dichter Wald und ein bewölkter Himmel zu sehen.
@radioeinsmusicbot@mastodonapp.uk
2025-07-02 13:20:52

🇺🇦 Auf radioeins läuft...
R.E.M.:
🎵 Daysleeper
#NowPlaying #REM
lesstalkrecords.bandcamp.com/t
open.spotify.com/track/7chTzkb

@lichtlauschen@ruhr.social
2025-07-03 18:45:56

'Farbe: Grün (aber nicht Vegetation)' #FotoVorschlag

Heuschrecke auf einem Unterarm
@cdarwin@c.im
2025-06-30 14:42:27

There’s something deeply wrong with a society that watches people get snatched by masked men in unmarked cars & looks the other way.
Rep @kamlager-dove.house.gov, describes an alarming system of relocating detainees, making it nearly impossible for their families to find them or get legal counsel.

Christopher Webb (@cwebbonline.com)
There’s something deeply wrong with a society that watches people get snatched by masked men in unmarked cars & looks the other way. Rep @kamlager-dove.house.gov, describes an alarming system of relocating detainees, making it nearly impossible for their families to find them or get legal counsel.