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It's making the board shake
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Secrets of the Underground

It's making the board shake in roughly the same waythe ground would in an earthquake

It's making the board shake in roughly the same way
the ground would in an earthquake

Full Transcript

00:00:01.000 --> 00:00:02.006
It's making the board shake
00:00:02.068 --> 00:00:06.006
in roughly the same way the ground would in an earthquake.
Duration
7 seconds
Views
16
Timestamp in Movie
00:32:48
Uploaded
Jul 09, 2025
Season
1
Episode
1
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 The ROV gives me a much closer look at the site than the radar scans. - Secrets of the Underground 00:06
The ROV gives me a much closer look at the site than the rad...
S01 • E02 This is the GPR unit, ground penetrating radar. - Secrets of the Underground 00:05
This is the GPR unit, ground penetrating radar.
S01 • E03 I can just wiggle a little bit, but I can't get out. - Secrets of the Underground 00:04
I can just wiggle a little bit, but I can't get out.
S01 • E07 Because it's easy To chisel into wood, - Secrets of the Underground 00:06
Because it's easy To chisel into wood,
S01 • E02 Ground penetrating radar fires energy waves under the surface. - Secrets of the Underground 00:05
Ground penetrating radar fires energy waves under the surfac...
S01 • E03 Let me give a tug on the umbilical and see if we can get you free. - Secrets of the Underground 00:05
Let me give a tug on the umbilical and see if we can get you...
S01 • E01 Oh my gosh! Look at that! - Secrets of the Underground 00:05
Oh my gosh! Look at that!
S01 • E08 As a marine biologist, - Secrets of the Underground 00:05
As a marine biologist,
S01 • E02 Any anomalies buried below will bounce these waves back - Secrets of the Underground 00:12
Any anomalies buried below will bounce these waves back
S01 • E08 And at first glance, - Secrets of the Underground 00:05
And at first glance,
S01 • E03 Tugging on the cables could damage the equipment, - Secrets of the Underground 00:10
Tugging on the cables could damage the equipment,
S01 • E01 Is a hammer and plywood really all it takes - Secrets of the Underground 00:07
Is a hammer and plywood really all it takes
S01 • E07 Today, about 400 known Ogham inscriptions survive, - Secrets of the Underground 00:07
Today, about 400 known Ogham inscriptions survive,
S01 • E08 But one stone in particular - Secrets of the Underground 00:05
But one stone in particular
S01 • E03 So there's only one option, - Secrets of the Underground 00:05
So there's only one option,
S01 • E02 If this serpent is a mass burial site, - Secrets of the Underground 00:07
If this serpent is a mass burial site,
S01 • E01 To find out, I'm going to have to dig deeper, - Secrets of the Underground 00:06
To find out, I'm going to have to dig deeper,
S01 • E08 I think that might be our stone here. - Secrets of the Underground 00:04
I think that might be our stone here.
S01 • E03 And while I'm down there, - Secrets of the Underground 00:08
And while I'm down there,
S01 • E07 A district on the edge Of ireland that faces due west. - Secrets of the Underground 00:04
A district on the edge Of ireland that faces due west.