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Weather-Related Crash Risk Forecasting: A Deep Learning Approach for Heterogenous Spatiotemporal Data

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This study introduces a deep learning-based framework for forecasting weather-related traffic crash risk using heterogeneous spatiotemporal data. Given the complex, non-linear relationship between crash occurrence and factors such as road characteristics, and traffic conditions, we propose an ensemble of Convolutional Long Short-Term Memory (ConvLSTM) models trained over overlapping spatial grids. This approach captures both spatial dependencies and temporal dynamics while addressing spatial heterogeneity in crash patterns. North Carolina was selected as the study area due to its diverse […]

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Oracle-efficient Hybrid Learning with Constrained Adversaries

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The Hybrid Online Learning Problem, where features are drawn i.i.d. from an unknown distribution but labels are generated adversarially, is a well-motivated setting positioned between statistical and fully-adversarial online learning. Prior work has presented a dichotomy: algorithms that are statistically-optimal, but computationally intractable (Wu et al., 2023), and algorithms that are computationally-efficient (given an ERM oracle), but statistically-suboptimal (Wu et al., 2024). This paper takes a significant step towards achieving statistical optimality and computational efficiency simultaneously in the […]

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After a rocky six years, Sony cancels future single-player PC game releases

After a rocky six years, Sony cancels future single-player PC game releases

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Sony no longer plans to bring current and future single-player games to personal computers, according to Bloomberg. The report specifically names last year’s Ghost of Yotei and the soon-to-be-released Returnal successor, Saros, as games whose PC plans have been canceled. Some multiplayer and third-party titles will still reach PCs, however. Bloomberg’s Jason Schreier cites “people familiar with the company’s plans,” who say that some within the company worry that releasing the games on PC could hurt sales of […]

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Projected Hessian Learning: Fast Curvature Supervision for Accurate Machine-Learning Interatomic Potentials

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The Hessian matrix (second derivatives) encodes far richer local curvature of the potential energy surface than energies and forces alone. However, training machine-learning interatomic potentials (MLIPs) with full Hessians is often impractical because explicitly forming and storing Hessian matrices scales quadratically in cost and memory. We introduce Projected Hessian Learning (PHL), a scalable second-order training framework that injects curvature information using only Hessian-vector products (HVPs). Rather than constructing the Hessian, PHL projects curvature along stochastic probe directions and […]

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Re-creating the complex cuisine of prehistoric Europeans

Re-creating the complex cuisine of prehistoric Europeans

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Archaeologists are keen to learn more about the specific diets and culinary practices of ancient populations around the globe. An interdisciplinary team of scientists analyzed the residues on prehistoric ceramic cooking pots and concluded that early Eastern European hunter-gatherer-fishers likely foraged for plants as well as hunted fish and other animals for their sustenance, according to a new paper published in the journal PLoS ONE. And they often combined ingredients for region-specific recipes. This is a burgeoning area […]

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SELDON: Supernova Explosions Learned by Deep ODE Networks

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The discovery rate of optical transients will explode to 10 million public alerts per night once the Vera C. Rubin Observatory’s Legacy Survey of Space and Time comes online, overwhelming the traditional physics-based inference pipelines. A continuous-time forecasting AI model is of interest because it can deliver millisecond-scale inference for thousands of objects per day, whereas legacy MCMC codes need hours per object. In this paper, we propose SELDON, a new continuous-time variational autoencoder for panels of sparse […]

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The US Senate empowers NASA to fully engage in lunar space race

The US Senate empowers NASA to fully engage in lunar space race

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During a brief hearing on Wednesday morning, the Senate Committee on Commerce, Science, and Transportation spent only a few minutes “marking up” new legislation that provides guidance to NASA for its various initiatives, including the Artemis program to land humans on the Moon. “Our bill authorizes critical funding for, and gives strategic direction to, the agency in line with the priorities of administrator Isaacman and the Trump administration,” said the committee’s chairman, Sen. Ted Cruz, (R-Texas). The duration […]

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MacBook Neo hands-on: Apple build quality at a substantially lower price

MacBook Neo hands-on: Apple build quality at a substantially lower price

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NEW YORK CITY—Whether you’re talking about the iBook, MacBook, or MacBook Air, Apple’s most basic laptops have started at or within $100 of the $1,000 price point for over 20 years. Sure, the company had quietly been testing the waters with a Walmart-exclusive M1 MacBook Air configuration for several years, first at $699 and then at $599. But as far as what Apple would actively advertise and offer on its own site and in its own retail stores, […]

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