Ethos raises $22.75M from a16z for its expert network with voice onboarding

When companies are looking for opinions or advice on a project, they tend to go to LinkedIn or use expert networks such as ...
IEEE

An Optimal Pairwise Merge Algorithm Improves the Quality and Consistency of Nonnegative Matrix Factorization

Abstract: Non-negative matrix factorization (NMF) is widely used for dimensionality reduction of large datasets and is an important feature extraction technique for source separation. However, NMF ...
IEEE

Non-Dominated Sorting Genetic Algorithm Optimization Design of a Compact Broadband Asymmetric Dual Hollow Core Antiresonant Fiber Mode Converter

Abstract: This paper proposes a mode converter design based on an asymmetric dual hollow core antiresonant fiber (ADHC-ARF), which is applicable to high-capacity mode-division multiplexing (MDM) ...
National Audubon Society

Why Do Birds Fly in a V Formation? Breaking Down a Brilliant Migration Hack

From geese and pelicans to cranes and cormorants, many birds use a V-shaped flock to master the aerodynamics of long-distance ...