But all these years later, one of Samus’ skills sticks with me more than the rest: her scan visor. The gadget didn’t just ...

According to the researchers, the approach uses what they call a “fingerprint matrix,” which is a mathematical description of the way each object uniquely scatters waves such as light or ultrasound.

Abstract: Accurate and reliable train positioning is essential for safe railway operations. However, traditional infrastructure-based methods lack the ability for autonomy and continuous positioning.