Tootfinder

I spot a tankie from a mile away, and I’m never falling for their revisionist garbage. Two insta-blocks in one day? Absolutely glorious. No platform for authoritarian apologists, win win.
#AntiTankieAction #Tankies

Here’s a mind-blowing experiment that you can try at home:
Gather some children’s blocks and place them on a table.
Take one block and slowly push it over the table’s edge, inch by inch, until it’s on the brink of falling.
If you possess patience and a steady hand, you should be able to balance it so that exactly half of it hangs off the edge.
Nudge it any farther, and gravity wins.
Now take two blocks and start over.
Stacking one on top of the other, how…

This Block-Stacking Math Problem Has a Preposterous Solution You Need to See to Believe — Scientific American
In principle, this impossible math allows for a glue-free bridge of stacked blocks that can stretch across the Grand Canyon—and into infinity Amanda Montañez Math Here’s a mind-blowing experiment that you can try at home: Gather some children’s blocks and place them on a table. Take one block and slowly push it over the table’s edge, inch by inch, until it’s on the brink of falling. If you possess patience and a steady hand, you should be able to balance it so that exactly half of it…

This https://arxiv.org/abs/2408.11978 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csRO_…

Optimized Kalman Filter based State Estimation and Height Control in Hopping Robots
Rotor-based hopping locomotion significantly improves efficiency and operation time as compared to purely flying systems; where most hopping robots use the liftoff states and an assumed ballistic trajectory to determine the hopping height. However, significant aerial phase force (e.g., thrust and drag) can invalidate this assumption and lead to poor estimation performance. To combat this issue, a group has implemented multiple sensors (active and passive optical, inertial, and contact) and sign…

This https://arxiv.org/abs/2501.08530 has been replaced.
initial toot: https://mastoxiv.page/@a…

Nanoscale structure formation in nickel-aluminum alloys synthesized far from equilibrium
The present study reports on the structure formation in thin epitaxial nickel-aluminum films (Ni1-xAlx; Al atomic fraction x up to x=0.24) grown on MgO(001) substrates by magnetron sputtering. Experimental and computational data demonstrate that for x<0.11, the films exhibit the face-centered cubic random solid-solution Ni1-xAlx structure (γ). Whereas in the range x=0.11-0.24 the phase coexists with the ordered L12 structure (γ' phase). The two phases are homogenously intermixed forming a coh…

#opensource

There are days when autism feels overwhelming, and I find myself oversharing every thought and feeling that comes to mind.
But then, just as suddenly, my mood can shift. I’ll feel a surge of energy and want to shake things up.
That’s when I dive into my collection of anarchism memes and start posting my latest finds for everyone to enjoy!
We are here, unapologetically autistic and proud, and we refuse to be silenced!

I need your help. It's surprisingly hard to find a PC game (or port/emulation) that ticks the following boxes:
- generally easy, or with easy difficulty setting
- mostly linear, not open world
- story-driven
- ideally, controller support
You know what I mean? I'm looking for something relaxing for when my brain is exhausted where I don't have to make too many decisions.
#AskFedi

This https://arxiv.org/abs/2401.04391 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Kawamata-Miyaoka type inequality for canonical $\mathbb Q$-Fano varieties II: Terminal $\mathbb Q$-Fano threefolds
We prove an optimal Kawamata-Miyaoka type inequality for terminal $\mathbb Q$-Fano threefolds with Fano index at least $3$. As an application, we obtain that any terminal $\mathbb Q$-Fano threefold $X$ satisfies the following Kawamata-Miyaoka type inequality \[ c_1(X)^3 < 3c_2(X)c_1(X). \]

PSA: "Made in Switzerland" ist nun als Single verfügbar - 2 Tracks, Original und eine KARAOKE VERSION!!!! 🎉🫕🎶🇨🇭
Auf Apple Music https://music.apple.com/ch/album/made-in-switzerland-single/1817687050
und Spotify

„Made in Switzerland - Single“ von Hazel Brugger, Sandra Studer & Petra Mede bei Apple Music
Album · 2025 · 2 Titel

This https://arxiv.org/abs/2505.20597 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hept…

LSZ ghostbusters in the quadratic gravity stage
The present letter considers the quantization method developed in [1]-[9], which postulates that, in several situations, negative norm or ghost states can be avoided in order to give positive probabilities. These authors also postulate a candidate for a path integral for those theories, following pioneer works initiated by Dirac [10]} and Pauli \[11]. However, taking into account the non standard oscillator algebra inherent to this method, in order to be sure that unitarity is not violated, one…