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Jarrod has another tech tool we can use to probe for new clues
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Secrets of the Underground

Jarrod has another tech toolwe can use to probe for new clues

Jarrod has another tech tool
we can use to probe for new clues

Full Transcript

00:00:01.000 --> 00:00:05.024
Jarrod has another tech tool we can use to probe for new clues.
Duration
5 seconds
Views
14
Timestamp in Movie
00:36:25
Uploaded
Jul 13, 2025
Season
1
Episode
2
Genres
documentary

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Movie Summary

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
S01 • E08 Placing scale bars around the rock as a point of reference - Secrets of the Underground 00:12
Placing scale bars around the rock as a point of reference
S01 • E07 With the naked eye. - Secrets of the Underground 00:04
With the naked eye.
S01 • E07 We set up At the first carving, - Secrets of the Underground 00:04
We set up At the first carving,
S01 • E02 It senses differences in the Earth's magnetic field as you walk it along. - Secrets of the Underground 00:05
It senses differences in the Earth's magnetic field as ...
S01 • E03 Near the top of the ridge is a giant boulder field - Secrets of the Underground 00:06
Near the top of the ridge is a giant boulder field
S01 • E02 The top sensor measures Earth's baseline magnetic field, - Secrets of the Underground 00:07
The top sensor measures Earth's baseline magnetic field...
S01 • E08 A line of sight is constructed from the camera - Secrets of the Underground 00:05
A line of sight is constructed from the camera
S01 • E07 When you get the flash off To the side, - Secrets of the Underground 00:08
When you get the flash off To the side,
S01 • E08 Then the triangulation of these lines from multiple photos - Secrets of the Underground 00:13
Then the triangulation of these lines from multiple photos
S01 • E01 It's not exactly cutting-edge tech, - Secrets of the Underground 00:05
It's not exactly cutting-edge tech,
S01 • E02 The sensor on the bottom detects any changes to that magnetic field - Secrets of the Underground 00:07
The sensor on the bottom detects any changes to that magneti...
S01 • E03 We're actually close to where the water is flowing - Secrets of the Underground 00:07
We're actually close to where the water is flowing
S01 • E07 Than you can just looking At it on this flat light. - Secrets of the Underground 00:04
Than you can just looking At it on this flat light.
S01 • E01 (ENGINE CUTS OUT) Killed it! - Secrets of the Underground 00:06
(ENGINE CUTS OUT) Killed it!
S01 • E07 This test will shave centuries Of wear off these markings. - Secrets of the Underground 00:04
This test will shave centuries Of wear off these markings.
S01 • E02 Magnetometers are also used in the military to detect submarines. - Secrets of the Underground 00:05
Magnetometers are also used in the military to detect submar...
S01 • E03 This is really interesting. Right back here, everything is tipped over. - Secrets of the Underground 00:05
This is really interesting. Right back here, everything is t...
S01 • E02 Ours isn't quite military-grade, - Secrets of the Underground 00:08
Ours isn't quite military-grade,
S01 • E03 The rocks almost look like something made them collapse, - Secrets of the Underground 00:08
The rocks almost look like something made them collapse,
S01 • E07 Get rid of The distracting color, - Secrets of the Underground 00:08
Get rid of The distracting color,