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And now we have this grid of electrodes
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Secrets of the Underground

And now we havethis grid of electrodes covering this whole areaall connected by cables

And now we have
this grid of electrodes covering this whole area
all connected by cables

Full Transcript

00:00:01.000 --> 00:00:03.068
And now we have this grid of electrodes
00:00:03.076 --> 00:00:06.056
covering this whole area all connected by cables.
Duration
7 seconds
Views
15
Timestamp in Movie
00:10:43
Uploaded
Jul 09, 2025
Season
1
Episode
3
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 But I've got another toy in my toolkit - Secrets of the Underground 00:05
But I've got another toy in my toolkit
S01 • E01 I've uncovered two tunnels - Secrets of the Underground 00:08
I've uncovered two tunnels
S01 • E03 We have 56 electrodes and we want to send electrical current - Secrets of the Underground 00:07
We have 56 electrodes and we want to send electrical current
S01 • E01 But to understand how he could have accessed them, - Secrets of the Underground 00:13
But to understand how he could have accessed them,
S01 • E02 I've got a contact that I'm going to meet - Secrets of the Underground 00:07
I've got a contact that I'm going to meet
S01 • E08 So, if I point over here at Stefan, - Secrets of the Underground 00:06
So, if I point over here at Stefan,
S01 • E03 By analysing how the electrical pulses - Secrets of the Underground 00:11
By analysing how the electrical pulses
S01 • E07 In fact, the only way to get To this thing is by skiing. - Secrets of the Underground 00:04
In fact, the only way to get To this thing is by skiing.
S01 • E08 This is the same sort of camera that inspectors would use - Secrets of the Underground 00:07
This is the same sort of camera that inspectors would use
S01 • E07 Fumaroles aren't uncommon In volcanically active areas. - Secrets of the Underground 00:05
Fumaroles aren't uncommon In volcanically active areas.
S01 • E01 So tell me a little bit more about Al Capone. - Secrets of the Underground 00:04
So tell me a little bit more about Al Capone.
S01 • E02 Capitol Spokesman Doug Platt will be my escort into the abyss. - Secrets of the Underground 00:05
Capitol Spokesman Doug Platt will be my escort into the abys...
S01 • E03 We send currents through in all different directions, - Secrets of the Underground 00:05
We send currents through in all different directions,
S01 • E07 In fact, there are over 4,000 of them spewing steam. - Secrets of the Underground 00:04
In fact, there are over 4,000 of them spewing steam.
S01 • E08 I'm gonna use the camera to try to look around - Secrets of the Underground 00:06
I'm gonna use the camera to try to look around
S01 • E01 Al Capone would come to town - Secrets of the Underground 00:06
Al Capone would come to town
S01 • E03 And then we're going to be able to calculate from that - Secrets of the Underground 00:07
And then we're going to be able to calculate from that
S01 • E07 And in 1914 when alaska's Novarupta volcano erupted, - Secrets of the Underground 00:11
And in 1914 when alaska's Novarupta volcano erupted,
S01 • E01 And they would venture into the billiards room, - Secrets of the Underground 00:08
And they would venture into the billiards room,
S01 • E03 This is a great way to peer beneath the soil, - Secrets of the Underground 00:10
This is a great way to peer beneath the soil,