Abstract: Vortex beams carrying orbital angular momentum (OAM) modes hold the promise of facilitating high-dimensional symbol mappings for information encryption. However, challenges persist in ...

Abstract: Knowledge tracing (KT) refers to predicting learners’ performance in the future according to their historical responses, which has become an essential task in intelligent tutoring systems.

Makeblock mBot2 Rover Kit features anodized aluminum parts, for STEM and more realistic engineering practice. Ages 8+ and 12+ tiers ...