I’m a 28-year-old woman in a relationship with a 31-year-old man. We’ve been together for a year. Our sex life is really positive, but we definitely have a sex drive mismatch, which involves him ...

Abstract: We develop a depth-fused 3D augmented reality (AR) display using broadband Pancharatnam-Berry phase lenses (PBLs). Employing a multi-layer twisted liquid crystal structure, the broadband ...

Abstract: Modern electrical distribution networks encounter significant challenges due to DC offsets, harmonics from nonlinear loads, and distorted grid voltages. These issues lead to increased total ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission.

The Line-Follower Car Robot uses infrared (IR) sensors to detect and follow a black line on a white surface. Here's a brief explanation of the working mechanism: Sensors Detection: The IR sensors are ...