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.
These positions pay highest at the federal level at an average salary of $73,000. State pay averages $54,000 and local government pays an average of $56,000. Law enforcement officer pay for patrol police ranges from $30,000 to $80,000. The average salary for this position is $51,000. Federal government pay for this job is an average of $46,000; state government comes in at $57,000; and local governments pay an average of $51,000.