Forwarded from Цуберок 🇺🇦 #УкрТґ
Tech breakthrough: New hydrogel material can extract unlimited amounts of water from the air • Earth.com
https://www.earth.com/news/new-hydrogel-can-extract-unlimited-amounts-of-water-from-the-air-even-in-deserts/
https://www.earth.com/news/new-hydrogel-can-extract-unlimited-amounts-of-water-from-the-air-even-in-deserts/
Earth.com
New hydrogel material can extract unlimited amounts of water from the air - Earth.com
Researchers have developed a superabsorbent hydrogel material capable of absorbing moisture and extracting water from the air.
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Forwarded from еіаі_(ой)
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Sharpened Cosine Distance as an Alternative for Convolutions
У 2020 році Brandon Rohrer у Twitter запропонував альтернативу згорткам — Sharpened Cosine Distance. Цей підхід, за його словами, отримує кращі ознаки, аніж звичайні згоркові шари.
У чому проблема згорток?
Ядро згортки усереднює сигнал, через що можуть втрачатися високочастотні ознаки. Згорка створює репрезентативні ознаки, лише коли ядро та сигнал має два значення, 1-bit.
Навіщо Sharpened Cosine Distance?
Не має такого ефекту як у згортки, за означенням. Може ефективно обробляти ненормалізованих вхідний сигнал. Не потребує функцій активації для формування гарних ознак.
📝 Blog post, part 1: Sharpened Cosine Distance as an Alternative for Convolutions
📝 Blog post: part 2: Sharpened Cosine Similarity
🖥 Імплементація на PyTorch, Keras, Jax
У 2020 році Brandon Rohrer у Twitter запропонував альтернативу згорткам — Sharpened Cosine Distance. Цей підхід, за його словами, отримує кращі ознаки, аніж звичайні згоркові шари.
У чому проблема згорток?
Ядро згортки усереднює сигнал, через що можуть втрачатися високочастотні ознаки. Згорка створює репрезентативні ознаки, лише коли ядро та сигнал має два значення, 1-bit.
Навіщо Sharpened Cosine Distance?
Не має такого ефекту як у згортки, за означенням. Може ефективно обробляти ненормалізованих вхідний сигнал. Не потребує функцій активації для формування гарних ознак.
📝 Blog post, part 1: Sharpened Cosine Distance as an Alternative for Convolutions
📝 Blog post: part 2: Sharpened Cosine Similarity
🖥 Імплементація на PyTorch, Keras, Jax
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Forwarded from Empty Set of Ideas (Proof:)
Nonlinear change processes and the emergence of suicidal behavior: A conceptual model based on the fluid vulnerability theory of suicide
"... Newer research implicates the existence of multiple nonlinear change processes among suicidal individuals, some of which appear to be associated with the emergence of suicidal behavior. The cusp catastrophe model provides a useful model for conceptualizing these change processes and provides a foundation for explaining a number of poorly understood phenomena including sudden emergence of suicidal behavior without prior suicidal planning. The implications of temporal dynamics for suicide-focused theory, practice, and research are discussed."
"... Newer research implicates the existence of multiple nonlinear change processes among suicidal individuals, some of which appear to be associated with the emergence of suicidal behavior. The cusp catastrophe model provides a useful model for conceptualizing these change processes and provides a foundation for explaining a number of poorly understood phenomena including sudden emergence of suicidal behavior without prior suicidal planning. The implications of temporal dynamics for suicide-focused theory, practice, and research are discussed."
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Forwarded from Empty Set of Ideas (Proof:)
Nonlinear_change_processes_and_the_emergence_of_suicidal_behavior.pdf
1004.8 KB
Observation of large scale precursor correlations between cosmic rays and earthquakes
Abstract:
The search for correlations between secondary cosmic ray detection rates and seismic effects has long been a subject of investigation motivated by the hope of identifying a new precursor type that could feed a global early warning system against earthquakes. Here we show for the first time that the average variation of the cosmic ray detection rates correlates with the global seismic activity to be observed with a time lag of approximately two weeks, and that the significance of the effect varies with a periodicity resembling the undecenal solar cycle, with a shift in phase of around three years, exceeding 6 sigma at local maxima. The precursor characteristics of the observed correlations point to a pioneer perspective of an early warning system against earthquakes.
https://arxiv.org/abs/2204.12310
https://arxiv.org/ftp/arxiv/papers/2204/2204.12310.pdf
Abstract:
The search for correlations between secondary cosmic ray detection rates and seismic effects has long been a subject of investigation motivated by the hope of identifying a new precursor type that could feed a global early warning system against earthquakes. Here we show for the first time that the average variation of the cosmic ray detection rates correlates with the global seismic activity to be observed with a time lag of approximately two weeks, and that the significance of the effect varies with a periodicity resembling the undecenal solar cycle, with a shift in phase of around three years, exceeding 6 sigma at local maxima. The precursor characteristics of the observed correlations point to a pioneer perspective of an early warning system against earthquakes.
https://arxiv.org/abs/2204.12310
https://arxiv.org/ftp/arxiv/papers/2204/2204.12310.pdf
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Forwarded from Цуберок 🇺🇦 #УкрТґ
Photonics experiment resolves quantum paradox
https://phys.org/news/2023-07-photonics-quantum-paradox.html
https://phys.org/news/2023-07-photonics-quantum-paradox.html
phys.org
Photonics experiment resolves quantum paradox
It seems quantum mechanics and thermodynamics cannot be true simultaneously. In a new publication, UT researchers use photons in an optical chip to demonstrate how both theories can be true at the same ...
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Forwarded from Just links
Self-Consuming Generative Models Go MAD https://arxiv.org/abs/2307.01850
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Forwarded from cyberchaos & mathюки
CERN Ukrainian REMOTE Student Program:
скинули в Slack щойно цю пропозицію, запостили на сайті сьогодні, спробуйте якнайшвидше податися, за 4 тижні будуть починати відбирати людей. платять гарно, задачі цікаві, все за посиланням, це дуже гарна пропозиція (і потрапити реяльніше, ніж ви могли б подумати)
https://jobs.smartrecruiters.com/CERN/743999917982762-ukrainian-remote-student-program
скинули в Slack щойно цю пропозицію, запостили на сайті сьогодні, спробуйте якнайшвидше податися, за 4 тижні будуть починати відбирати людей. платять гарно, задачі цікаві, все за посиланням, це дуже гарна пропозиція (і потрапити реяльніше, ніж ви могли б подумати)
https://jobs.smartrecruiters.com/CERN/743999917982762-ukrainian-remote-student-program
CERN
CERN is looking for a Ukrainian Remote Student Program in Geneva, Switzerland
You will contribute to an advanced technical project in an experimental physics or engineering team for a period of 8 to 13 weeks;A report on your work and project will be expected at the end of t...
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https://twitter.com/LukeGessler/status/1679211291292889100
Gzip and KNN Outperforms Transformers on Text Classification
Gzip and KNN Outperforms Transformers on Text Classification
X (formerly Twitter)
Luke Gessler (@LukeGessler) on X
this paper's nuts. for sentence classification on out-of-domain datasets, all neural (Transformer or not) approaches lose to good old kNN on representations generated by.... gzip https://t.co/6eZiXlJxOX
∅
https://www.youtube.com/watch?v=Qg3XOfioapI
https://www.youtube.com/watch?v=MqZgoNRERY8
old, but somwhat related
old, but somwhat related
YouTube
Code Golf & the Bitshift Variations - Computerphile
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A short jumble of letters & symbols that plays a long, musical tune? This is code Golf and Rob Miles' musical composition: "The Bitshift Variations…
A short jumble of letters & symbols that plays a long, musical tune? This is code Golf and Rob Miles' musical composition: "The Bitshift Variations…