How the Band-Aid was invented | Moments of Vision 3 - Jessica Oreck

source: TED-Ed    2016年9月12日
View full lesson: http://ed.ted.com/lessons/how-the-ban...
It is estimated that Johnson & Johnson have made an astounding 100 billion Band-Aids since they were invented in 1920. But where did the idea come from? In the third installment of our ‘Moments of Vision’ series, Jessica Oreck shares the series of moments that inspired Earle Dickson to invent these popular household bandages.
Lesson and animation by Jessica Oreck.