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.
Loss prevention agents who work in certain parts of the U.S. can earn more than their counterparts in other areas. For example, according to the Bureau of Labor Statistics, loss prevention agents in Texas earned an average hourly wage of $30.50, as of May 2010. Loss prevention agents in Arkansas made an average of around $30 per hour, while those in New Jersey earned an average hourly wage of $29.50. However, the top-paying location was Virginia, where private detectives, including loss prevention agents, made an average hourly wage of $32 per hour.