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Wow! I Never Knew That! (Episode 23)

10 minutes 12 seconds

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What is the origin of duct tape? How about the hamburger? What are the origins of miniature golf or the expression "high noon"? Jeff "JJ" Johnson explores these and other interesting mysteries, including the use of the compass, how dynamite explodes, how lightning rods work, and what causes hiccups. Part of the "Wow! I Never Knew That!" series.

Media Details

Runtime: 10 minutes 12 seconds

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Still image from: Wow! I Never Knew That! (Episode 1)
Wow! I Never Knew That!
Episode 1
10 minutes 53 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 2)
Wow! I Never Knew That!
Episode 2
10 minutes 7 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 4)
Wow! I Never Knew That!
Episode 4
10 minutes 52 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 6)
Wow! I Never Knew That!
Episode 6
10 minutes 54 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 7)
Wow! I Never Knew That!
Episode 7
10 minutes 21 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 8)
Wow! I Never Knew That!
Episode 8
10 minutes 6 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 10)
Wow! I Never Knew That!
Episode 10
9 minutes 46 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 15)
Wow! I Never Knew That!
Episode 15
10 minutes 15 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 17)
Wow! I Never Knew That!
Episode 17
10 minutes 14 seconds
Grade Level: 7 - 12
Still image from: Wow! I Never Knew That! (Episode 18)
Wow! I Never Knew That!
Episode 18
10 minutes 18 seconds
Grade Level: 7 - 12