Wow! I Never Knew That! (Episode 7)
Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.
Browse Full-length Non-member TitlesHost Jeff "JJ" Johnson uncovers the origins of the bulletproof Kevlar vest, scuba diving, milk cartons, and wire coat hangers. He also explains why some coins have notched edges, why a wishbone is associated with good luck, what makes neon lights different colors, and the origins of the superstition against walking under ladders. Part of the "Wow! I Never Knew That!" series.
Media Details
Runtime: 10 minutes 21 seconds
- Topic: History, Literature, Science
- Subtopic: Folklore, Inventions
- Grade/Interest Level: 7 - 12
- Standards:
- Release Year: 2012
- Producer/Distributor: New Dimension Media/Questar
- Series: Wow! I Never Knew That!
- Report a Problem
Available Resources
Related Media
Wow! I Never Knew That! (Episode 1)
Wow! I Never Knew That! (Episode 2)
Wow! I Never Knew That! (Episode 4)
Wow! I Never Knew That! (Episode 6)
Wow! I Never Knew That! (Episode 7)
Wow! I Never Knew That! (Episode 8)
Wow! I Never Knew That! (Episode 10)
Wow! I Never Knew That! (Episode 15)
Wow! I Never Knew That! (Episode 17)
Wow! I Never Knew That! (Episode 18)