How Things Work | Submarines, 3D Printers, Popcorn & MORE | Nat Geo Kids Compilation | @NatGeoKids

Kamri Noel and four of National Geographic’s experts find out how things work.
00:00 How Submarines Work
Kamri Noel asks marine biologist David Gruber to explain how submarines dive and navigate.
02:19 How Gecko Feet Work
Kamri Noel and National Geographic’s David Gruber discover what makes gecko feet stick.
04:31 How Popcorn Works
Popcorn is a delicious snack, but Kamri Noel wants to know what makes it pop.
07:12 How Lava Lamps Work
Kamri Noel is on a mission to find out what's really floating inside lava lamps.
10:09 How Fitness Trackers Work
Kamri Noel wants to know: How do fitness trackers tell how many steps you’ve taken?
12:49 How 3-D Printers Print
Kamri Noel is on a quest to understand her 3-D printer with the help of a Nat Geo expert.
15:20 How Digital Cameras Work
Kamri Noel and photo engineer Tom O’Brien explore the science of digital cameras.
17:13 How Trebuchets Work
Kamri Noel asks National Geographic’s Tom O’Brien about the physics of medieval trebuchets.
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How Things Work | Submarines, 3D Printers, Popcorn & MORE | Nat Geo Kids Compilation | @Nat Geo Kids
• How Things Work | Subm...
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