Ashish Avachat
@aashiesh.bsky.social
Radiation imaging scientist and nuclear engineer at the University of Pittsburgh.
Reposted by Ashish Avachat
A trio of researchers at Carnegie Mellon University in Pittsburgh, Pennsylvania, developed a camera with a specialized lens that can focus individual pixels to different depths, ensuring that everything in a photo is perfectly sharp and in focus.
This Camera System Can Focus on Everything, Everywhere, All At Once
No more focus stacking.
petapixel.com
November 14, 2025 at 9:06 PM
A trio of researchers at Carnegie Mellon University in Pittsburgh, Pennsylvania, developed a camera with a specialized lens that can focus individual pixels to different depths, ensuring that everything in a photo is perfectly sharp and in focus.
Our paper on modeling and characterizing the backscatter electrons in distributed x-ray sources based on our cylindrical anodes is now available on NIMA.
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Modeling and Characterizing the electron backscatter in a cylindrical anode-based distributed X-ray source
Upcoming advancements in computed tomography architectures warrants the investigation of new X-ray source designs and the impacts that electron backsc…
www.sciencedirect.com
August 21, 2025 at 3:57 PM
Our paper on modeling and characterizing the backscatter electrons in distributed x-ray sources based on our cylindrical anodes is now available on NIMA.
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Reposted by Ashish Avachat
New preprint out today on Why Academics Are Leaving Twitter for Bluesky: arxiv.org/abs/2505.24801
By @dorianquelle.bsky.social @fdenker.bsky.social and @prashantgarg.bsky.social.
Just in time for Dorian's talk at the Networks in Science of Science satellite at #NetSci2025 this afternoon
By @dorianquelle.bsky.social @fdenker.bsky.social and @prashantgarg.bsky.social.
Just in time for Dorian's talk at the Networks in Science of Science satellite at #NetSci2025 this afternoon
Why Academics Are Leaving Twitter for Bluesky
We analyse the migration of 300,000 academic users from Twitter/X to Bluesky between 2023 and early 2025, combining rich bibliometric data, longitudinal social-media activity, and a novel cross-platfo...
arxiv.org
June 2, 2025 at 10:46 AM
New preprint out today on Why Academics Are Leaving Twitter for Bluesky: arxiv.org/abs/2505.24801
By @dorianquelle.bsky.social @fdenker.bsky.social and @prashantgarg.bsky.social.
Just in time for Dorian's talk at the Networks in Science of Science satellite at #NetSci2025 this afternoon
By @dorianquelle.bsky.social @fdenker.bsky.social and @prashantgarg.bsky.social.
Just in time for Dorian's talk at the Networks in Science of Science satellite at #NetSci2025 this afternoon
Reposted by Ashish Avachat
How will radiation affect astronauts who travel to Mars? UW–Madison researchers are exploring that question — and their work could also provide insights on improving radiation treatment for cancer patients here on Earth.
Radiation’s Effect on Astronauts | On Wisconsin
UW research helps clear the way for travel to Mars.
onwisconsin.uwalumni.com
May 27, 2025 at 2:39 PM
How will radiation affect astronauts who travel to Mars? UW–Madison researchers are exploring that question — and their work could also provide insights on improving radiation treatment for cancer patients here on Earth.
Reposted by Ashish Avachat
I always say: only automate what you're ok letting atrophy
May 25, 2025 at 9:03 PM
I always say: only automate what you're ok letting atrophy
Reposted by Ashish Avachat
"Thinking time —the time needed to concentrate without interruptions has always been central to scholarly work. It is essential to designing experiments, compiling data, assessing results, reviewing literature and, of course, writing. Yet, [it] is often undervalued."
www.nature.com/articles/d41...
www.nature.com/articles/d41...
May 23, 2025 at 2:56 AM
"Thinking time —the time needed to concentrate without interruptions has always been central to scholarly work. It is essential to designing experiments, compiling data, assessing results, reviewing literature and, of course, writing. Yet, [it] is often undervalued."
www.nature.com/articles/d41...
www.nature.com/articles/d41...
Reposted by Ashish Avachat
It's been one year since Jim Simons passed away. He remains one of the greatest philanthropists of our time. His commitment to fundamental scientific research was truly extraordinary and remains essential for advancing humanity.
www.simonsfoundation.org/2024/05/10/s...
www.simonsfoundation.org/2024/05/10/s...
Simons Foundation Co-Founder, Mathematician and Investor Jim Simons Dies at 86
Simons Foundation Co-Founder, Mathematician and Investor Jim Simons Dies at 86 on Simons Foundation
www.simonsfoundation.org
May 10, 2025 at 5:37 PM
It's been one year since Jim Simons passed away. He remains one of the greatest philanthropists of our time. His commitment to fundamental scientific research was truly extraordinary and remains essential for advancing humanity.
www.simonsfoundation.org/2024/05/10/s...
www.simonsfoundation.org/2024/05/10/s...
Reposted by Ashish Avachat
“Science is a smart, low cost investment. The costs of not investing in it are higher than the risk of doing so… talk to people about science.” - @kevinochsner.bsky.social makes his case to the field #sans2025
April 26, 2025 at 9:03 PM
“Science is a smart, low cost investment. The costs of not investing in it are higher than the risk of doing so… talk to people about science.” - @kevinochsner.bsky.social makes his case to the field #sans2025
Reposted by Ashish Avachat
Kick off #FusionEnergyWeek with an intro to the science that could transform our energy future. Join Troy Carter at ORNL for a talk exploring the fundamentals of fusion energy and East Tennessee’s growing role. Details here: usfusionenergy.org/event/lighting-way-how-ornl-making-fusion-energy-reality
May 1, 2025 at 6:26 PM
Kick off #FusionEnergyWeek with an intro to the science that could transform our energy future. Join Troy Carter at ORNL for a talk exploring the fundamentals of fusion energy and East Tennessee’s growing role. Details here: usfusionenergy.org/event/lighting-way-how-ornl-making-fusion-energy-reality
Reposted by Ashish Avachat
I am very happy to share our latest work on the information theory of generative diffusion:
"Entropic Time Schedulers for Generative Diffusion Models"
We find that the conditional entropy offers a natural data-dependent notion of time during generation
Link: arxiv.org/abs/2504.13612
"Entropic Time Schedulers for Generative Diffusion Models"
We find that the conditional entropy offers a natural data-dependent notion of time during generation
Link: arxiv.org/abs/2504.13612
April 29, 2025 at 1:17 PM
I am very happy to share our latest work on the information theory of generative diffusion:
"Entropic Time Schedulers for Generative Diffusion Models"
We find that the conditional entropy offers a natural data-dependent notion of time during generation
Link: arxiv.org/abs/2504.13612
"Entropic Time Schedulers for Generative Diffusion Models"
We find that the conditional entropy offers a natural data-dependent notion of time during generation
Link: arxiv.org/abs/2504.13612
Reposted by Ashish Avachat
BREAKING: NSF has frozen all grant funding, as of yesterday. It's unclear when they will resume funding awards, or why the pause has been put in place. www.nature.com/articles/d41...
Exclusive: NSF stops awarding new grants and funding existing ones
US science funder also plans to screen grant applications for compliance with ‘agency priorities’.
www.nature.com
May 1, 2025 at 10:58 PM
BREAKING: NSF has frozen all grant funding, as of yesterday. It's unclear when they will resume funding awards, or why the pause has been put in place. www.nature.com/articles/d41...
Reposted by Ashish Avachat
New post: "Apple Machine Learning Research at #ICLR 2025" - highlighting a selection of the many Apple #ML research papers to be presented at @iclr-conf.bsky.social this week: machinelearning.apple.com/research/icl...
Apple Machine Learning Research at ICLR 2025
Apple researchers are advancing machine learning (ML) and AI through fundamental research that improves the world’s understanding of this…
machinelearning.apple.com
April 21, 2025 at 6:20 PM
New post: "Apple Machine Learning Research at #ICLR 2025" - highlighting a selection of the many Apple #ML research papers to be presented at @iclr-conf.bsky.social this week: machinelearning.apple.com/research/icl...
Reposted by Ashish Avachat
I'm going to state something that's obvious at every university: today was the deadline for folks to decide which grad school they'll join in the fall.
This probably won't make headlines, but because we don't expect normal funding, universities aren't admitting a normal number of students.
(1/4)
This probably won't make headlines, but because we don't expect normal funding, universities aren't admitting a normal number of students.
(1/4)
April 16, 2025 at 4:05 AM
I'm going to state something that's obvious at every university: today was the deadline for folks to decide which grad school they'll join in the fall.
This probably won't make headlines, but because we don't expect normal funding, universities aren't admitting a normal number of students.
(1/4)
This probably won't make headlines, but because we don't expect normal funding, universities aren't admitting a normal number of students.
(1/4)
Reposted by Ashish Avachat
Check out Neehar Kondapaneni's upcoming ICLR 2025 work which proposes a new approach for understanding how two neural networks differ by discovering the shared and unique concepts learned by the networks.
Representational Similarity via Interpretable Visual Concepts
arxiv.org/abs/2503.15699
Representational Similarity via Interpretable Visual Concepts
arxiv.org/abs/2503.15699
Have you ever wondered what makes two models different?
We all know the ViT-Large performs better than the Resnet-50, but what visual concepts drive this difference? Our new ICLR 2025 paper addresses this question! nkondapa.github.io/rsvc-page/
We all know the ViT-Large performs better than the Resnet-50, but what visual concepts drive this difference? Our new ICLR 2025 paper addresses this question! nkondapa.github.io/rsvc-page/
April 12, 2025 at 7:58 AM
Check out Neehar Kondapaneni's upcoming ICLR 2025 work which proposes a new approach for understanding how two neural networks differ by discovering the shared and unique concepts learned by the networks.
Representational Similarity via Interpretable Visual Concepts
arxiv.org/abs/2503.15699
Representational Similarity via Interpretable Visual Concepts
arxiv.org/abs/2503.15699
Reposted by Ashish Avachat
Reposted by Ashish Avachat
Reposted by Ashish Avachat
The #NeurIPS2024 tutorial on “Flow Matching for Generative Modeling” is now available! Feel the learn 🤓
neurips.cc/virtual/2024...
neurips.cc/virtual/2024...
January 22, 2025 at 9:44 PM
The #NeurIPS2024 tutorial on “Flow Matching for Generative Modeling” is now available! Feel the learn 🤓
neurips.cc/virtual/2024...
neurips.cc/virtual/2024...
Reposted by Ashish Avachat
In the interest of generating more ML/AI discussion here - here's a really interesting looking paper from Mason Kamb and @suryaganguli.bsky.social on an *analytic* theory of diffusion models. t.co/SYkAAh6k4C
January 1, 2025 at 1:59 PM
In the interest of generating more ML/AI discussion here - here's a really interesting looking paper from Mason Kamb and @suryaganguli.bsky.social on an *analytic* theory of diffusion models. t.co/SYkAAh6k4C