BUBBLE WRAP. Engineers Alfred Fielding and Marc Chavannes came up the idea for bubble wrap while working on a new type of textured wallpaper in 1957. By sealing two shower curtains together, they trapped a layer of bubbles.
Immigration and Customs Enforcement. Special agents at Immigration and Customs Enforcement, the largest investigative agency in Homeland Security, are classified as criminal investigators. They start at GL-7 with an annual base salary range of $33,829 to $42,055, or GL-9 with an annual base salary of $42,948 to $55,413.
Additionally, police officers (and civilian employees) who are certified as fluent in any language other than English, including American Sign Language, receive a $50 stipend per pay period â the equivalent of an extra $1,300 a year. top step officer can earn $92,914 after 25 years of service. Full salary information can be found in the attachment below. Officers who work the evening tour of duty receive a three percent pay differential.