The Story and History of the First Traffic Lights Auto Shenanigans 5:06 1 year ago 52 509 Скачать Далее
Traffic Lights: A History The History Guy: History Deserves to Be Remembered 15:43 9 months ago 138 106 Скачать Далее
Garrett Morgan For Kids - Traffic Light (Black History Animated) Insightful Black History 5:52 3 years ago 105 418 Скачать Далее
Invention of the traffic light by Garrett Morgan was in Cleveland in 1923 News 5 Cleveland 5:12 7 years ago 64 997 Скачать Далее
Why were traffic lights invented? Why Red light is used in traffic signals? MangoSeries 1:52 1 year ago 262 Скачать Далее
150 years since the world’s first traffic light – BBC London News BBC London 1:51 6 years ago 36 466 Скачать Далее
Garrett Morgan Traffic Light.Black Inventor.Black History Month.Deeper Than Read(Ep.1) Deeper Than Read 4:00 3 years ago 103 140 Скачать Далее
Saving the Day: Garrett Morgan’s Life-Changing Invention of the Traffic Light read aloud Early Learning Adventures With Mrs. T 8:06 2 years ago 37 790 Скачать Далее
The LED Traffic Light and the Danger of "But Sometimes!" Technology Connections 18:31 6 years ago 3 770 517 Скачать Далее
How do stop lights "see" your car (to turn green)? Road Guy Rob 15:43 3 years ago 286 354 Скачать Далее
Garrett Morgan for Kids | History for Kids | Seed of Melanin Kids! Seed of Melanin Kids! 5:03 3 years ago 88 112 Скачать Далее
