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Precision Measurement of the Saturation Intensity in Rubidium at 420 nm
Shivam Sinha, Sumit Achar, Sateesh S., Arijit Sharma
https://arxiv.org/abs/2606.30871 https://

"Arctic warming alters weather patterns across the globe"
#Arctic #Climate #ClimateChange

Arctic warming alters weather patterns across the globe
Sea ice acts as the planet’s air conditioning – one that’s melting away.

True to the promise of
“drill, baby, drill,”
leaders in Washington are doubling down on attacks
against Alaska’s wildlands
and the clean water, wildlife and ways of life they sustain.
Here’s how the administration is advancing drilling and mining attacks on public lands:
->> Opened every acre of the Arctic National Wildlife Refuge’s fragile coastal plain  to oil and gas leasing
->> Approved and reissued permits to move forward on the cont…

Homepage | The Wilderness Society
Our Mission: United people to protect our wild places. Our Work: Climate Solutions, Landscape Connectivity, Community Led Conservation Each day thousands of acres of wild places are lost to mining, drilling, logging and other development. But we don't have to give it all away. Together, we can save our wildest lands for future generations.

The Substance VI 🧪
某种物质 VI 🧪
📷 Nikon F4E
🎞️ Harman Switch Azure (FF)
If you like my work, Support by buying me a coffee or a roll of film from PayPal https://www.paypal.com/paypalme/ydcdingsite

🧵 3/3
Full credits:
Project funded by Bartlett School of Architecture, UCL
Co-authors: Nina Vollenbroker, Jos Boys, Mine Sak-Acur
Insights generated by our co-creators Coco Briden, Christopher Laing, David Johnson, Jessica Thom, Jessica Ryan-Ndegwa, Jordan Whitewood-Neal, Mandy Redvers Rowe and Natasha Trotman
This has been a fantastic project and a joy to work on, there'll be more to come in the future

The Substance 🧪
某种物质 🧪
📷 Nikon F4E
🎞️ Harman Switch Azure (FF)
If you like my work, Support by buying me a coffee or a roll of film from PayPal https://www.paypal.com/paypalme/ydcdingsite

Earlier this week, Speaker of the House Mike Johnson (R-Louisiana) indicated that he and other Republican lawmakers
were exploring ways to reinterpret the meaning of the 14th Amendment’s birthright citizenship clause,
following the Supreme Court ruling last month against Donald Trump’s attempt to do so through executive order.
In an appearance on Fox News on Sunday, Johnson cited the dissenting opinion from Justice Clarence Thomas,
who argued that the 14th Amendment o…

Mike Johnson, Donald Trump, Still “Looking at All Angles” to End Birthright Citizenship
A recent poll reveals around 7 in 10 Americans agree with the Supreme Court’s decision to uphold birthright citizenship.

Chunkwise Aligners for Streaming Speech Recognition
Wen Shen Teo, Takafumi Moriya, Masato Mimura
https://arxiv.org/abs/2605.11422 https://arxiv.org/pdf/2605.11422 https://arxiv.org/html/2605.11422
arXiv:2605.11422v1 Announce Type: new
Abstract: We propose the Chunkwise Aligner, a novel architecture for streaming automatic speech recognition (ASR). While the Transducer is the standard model for streaming ASR, its training is costly due to the need to compute all possible audio-label alignments. The recently introduced Aligner reduces this cost by discarding explicit alignments, but this modification makes it unsuitable for streaming. Our approach overcomes this limitation by dividing the audio into chunks and aligning each label to the leftmost frames of its chunk, whereas transitions between chunks are managed by a learned end-of-chunk probability. Experiments show that the Chunkwise Aligner not only matches the Transducer's accuracy in both offline and streaming scenarios, but also offers superior training and decoding efficiencies.
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Replaced article(s) found for physics.atom-ph. https://arxiv.org/list/physics.atom-ph/new
[1/1]:
- Precision Measurement of the Saturation Intensity in Rubidium at 420 nm
Shivam Sinha, Sumit Achar, Sankar Satheesh, Arijit Sharma

A Splitting Architecture for Exact Reduced Coulomb Friction
Hongcheng Song, Ye Fan, Uri M. Ascher, Dinesh K. Pai
https://arxiv.org/abs/2607.19599 https://arxiv.org/pdf/2607.19599 https://arxiv.org/html/2607.19599
arXiv:2607.19599v1 Announce Type: new
Abstract: Existing approaches to frictional contact dynamics typically either modify the Coulomb law to improve numerical robustness or solve the exact law in a fully coupled monolithic form. However, in its reduced form, exact Coulomb friction can be written as a cone complementarity problem with an augmented velocity, which reveals a natural split between a cone-constrained linear response and a scalar non-associated coupling induced by tangential velocity. We exploit this structure in the solver design. Our method uses an outer iteration to update the non-associated coupling explicitly, and an inner solve for a strongly convex cone-constrained quadratic program. This separation also makes the inner solver modular, so different numerical schemes can be used without changing the outer iteration. We evaluate the method on rigid-body benchmarks with stick-slip transitions and frictional stacking, and show that it reproduces exact Coulomb complementarity without smoothing or relaxing the friction law.
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