Imagine a finger-print detector engine-start button that also leverages spectroscopy technology similar to that used in fingertip blood-oxygen level sensors. They light into the finger and measure ...

Its functionality is basic compared to dedicated stud sensors that can indicate the center ... vertically and horizontally before projecting a level laser reference line. So as not to leave ...

Do Kyung Hwang (Post-Silicon Semiconductor Institute, KIST; KU-KIST Graduate School, KIST School) and Dr. Min-Chul Park (Post-Silicon Semiconductor Institute, KIST; Korea University, and Yonsei ...