The Secret Behind Crystal Clear Ice Cubes #science #sciencefacts

TSA just announced TSA Gold and you might be wondering how it affects you. Airport security has so many different lines nowadays: Regular TSA, TSA PreCheck, PreCheck Touchless ID, and CLEAR (and CLEAR Plus!). TSA Gold is not a new screening process; rather, it's an expansion of their existing Screening Partnership Program, which allows airports to use private companies to provide security screening. TSA wants to expand the program from 20 airports to over 250. There's no timetable for the expans