Megawatt structured light arrives with 3,070 optical vortices in one array

Optical vortices—light beams carrying orbital angular momentum (OAM)—are characterized by helical wavefronts and phase ...
IEEE

Phased Array with Switchable Dual Circular Polarization Based on Subarray for Low-Cost LEO Satellite Communication

Abstract: In this paper, a low-cost K-band phased array antenna is designed for LEO satellite communication. The design reduces the number of T/R components by allowing multiple elements to share a ...
NPR

Science

April 9, 2026 • The Artemis II astronauts don't have a lot of space to exercise. That's why they've got the flywheel — a small device that can be used for strength and cardio workouts. April 8, 2026 • ...
IEEE

Simulation Ultrasonic Phased Array Detection for Delamination and Cladding Inner-Surface Defects in Bimetallic Composite Plates

Abstract: This study establishes a 2D ultrasonic phased array model for bimetallic composite plates, simulating Delamination Defects, horizontal corrosion, and vertical perforation defects using a ...