Mail Sorting at the United States Post Office

Would you like to help us out? Take this quick survey: https://s.si.edu/3FyL1W9 With all of the mail floating around out there, they had to come up with a way to organize all of those letters and packages, making sure they got where they needed to go in time. The post office and its successor the United States Postal Service implemented several innovations to help sort and distribute the mail. This video was a part a full episode of STEM in 30 titled Mail Away, Mail Away, Mail Away: Innovations in Delivering the Mail:    • Mail Away, Mail Away, Mail Away - STEM in ...   For more FREE teacher resources from the Smithsonian’s National Air and Space Museum visit STEM in 30, the museum's Emmy nominated TV show for middle school students: https://airandspace.si.edu/stem-30 Follow STEM in 30 on social media: Facebook: www.facebook.com/STEMin30 Twitter: www.twitter.com/STEMin30