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All right. Basically, the ratio at the bottom
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Secrets of the Underground

All right.Basically, the ratio at the bottom is really skewed towards big rocks

All right.
Basically, the ratio at the bottom is really skewed towards big rocks

Full Transcript

00:00:01.000 --> 00:00:04.024
All right. Basically, the ratio at the bottom
00:00:04.032 --> 00:00:06.084
is really skewed towards big rocks.
Duration
7 seconds
Views
13
Timestamp in Movie
00:38:29
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 • E07 Of 5th century artifact, What would you be looking for? - Secrets of the Underground 00:05
Of 5th century artifact, What would you be looking for?
S01 • E03 These pulses travel at different speeds - Secrets of the Underground 00:07
These pulses travel at different speeds
S01 • E08 I need to get a closer look, I'm gonna get my tablet out here. - Secrets of the Underground 00:04
I need to get a closer look, I'm gonna get my tablet ou...
S01 • E01 Jennifer says that this distribution, - Secrets of the Underground 00:10
Jennifer says that this distribution,
S01 • E07 Well, if you think Of that period in ireland, - Secrets of the Underground 00:05
Well, if you think Of that period in ireland,
S01 • E02 It's only showing up in the magnetometer data here for the first time. - Secrets of the Underground 00:05
It's only showing up in the magnetometer data here for ...
S01 • E08 If I just kind of outline these indentations, - Secrets of the Underground 00:08
If I just kind of outline these indentations,
S01 • E03 We'll measure the speed of these pulses with geophones - Secrets of the Underground 00:07
We'll measure the speed of these pulses with geophones
S01 • E02 This is probably an ancient part of the serpent that was erased - Secrets of the Underground 00:08
This is probably an ancient part of the serpent that was era...
S01 • E08 A stripe there, a stripe down this way... - Secrets of the Underground 00:05
A stripe there, a stripe down this way...
S01 • E01 Well, in an earthquake prone area like here, - Secrets of the Underground 00:06
Well, in an earthquake prone area like here,
S01 • E07 Would be wearing a fancy brooch That maybe some lord would. - Secrets of the Underground 00:04
Would be wearing a fancy brooch That maybe some lord would.
S01 • E03 Imagine putting your ear to the ground, - Secrets of the Underground 00:06
Imagine putting your ear to the ground,
S01 • E02 The detection of this lost coil opens up a whole new mystery. - Secrets of the Underground 00:05
The detection of this lost coil opens up a whole new mystery...
S01 • E07 What about the symbols, The petroglyphs in the rock? - Secrets of the Underground 00:04
What about the symbols, The petroglyphs in the rock?
S01 • E03 And this will allow us to find out if the boulders go all the way down, - Secrets of the Underground 00:06
And this will allow us to find out if the boulders go all th...
S01 • E02 Why would the builders have changed the serpent after it was built? - Secrets of the Underground 00:06
Why would the builders have changed the serpent after it was...
S01 • E01 That's because of a phenomenon called granular convection, - Secrets of the Underground 00:08
That's because of a phenomenon called granular convecti...
S01 • E07 Looking at The type of stone, - Secrets of the Underground 00:08
Looking at The type of stone,
S01 • E08 It looks to me like maybe these are some sort of legs in here. - Secrets of the Underground 00:06
It looks to me like maybe these are some sort of legs in her...