Ticket Barriers, Refrigerators, and Electric Guitars
- Episode aired Feb 25, 2016
- TV-G
- 21m
How does a ticket barrier, a refrigerator, and an electric guitar really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.How does a ticket barrier, a refrigerator, and an electric guitar really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.How does a ticket barrier, a refrigerator, and an electric guitar really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.