Day April 25, 2026

HMN 2026: How the rich stay rich

Credit: Quentin Martinez from Pexels How do some wealthy families remain in the upper class for many generations, while other rich families do not? That is the question author Shay O’Brien (Massachusetts Institute of Technology) tackles in the sociological study…

HMN 2026: What is the truly invisible device that does not disturb its surroundings and its metamaterial shell

Design and experimental validation of dual-zero-scattering thermal metadevices. (A–B) Schematic comparison showing the elimination of internal distortion. (C) Deep-learning architecture for generating required anisotropic microstructures. (D–E) Experimental results demonstrating perfectly straight isotherms, confirming simultaneous scattering suppression inside and out. Credit:…