Ruby 4.0: A lot of restructuring under the hood, few new features

The new major version with a new JIT compiler, a revised parallelization API, and a maturing type system paves the way for ...
IEEE

SASA: Super-Resolution and Ambiguity-Free Sparse Array Geometry Optimization With Aperture Size Constraints for MIMO Radar

Abstract: To improve the performance of multiple-input–multiple-output (MIMO) radar, various sparse arrays have been used. However, the angular resolution of existing nonuniform arrays optimized by ...
IEEE

PointNet++ (MSG-DSLS): A Classification Framework With Dynamic Step-Size Loop-Sampling for High-Density Tree Point Clouds

Abstract: PointNet++ (MSG), a PointNet++ module, can accurately identify tree species from 3-D point clouds. However, one drawback of the MSG method is its inability to classify high-density point ...
The New York Times

After Teen’s Death, a Seattle Icon Confronts a New Label, Nuisance

For years, architects and design experts have resisted safety changes at Seattle’s Gas Works Park, but after a teenager died there this summer, his parents want it declared a public nuisance. By Anna ...