Escalators, Leaf Blowers, and Tape Measures
- Episode aired Feb 4, 2016
- TV-G
- 21m
How does an escalator, a leaf blower, and a tape measure really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.How does an escalator, a leaf blower, and a tape measure really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.How does an escalator, a leaf blower, and a tape measure really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.