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We send currents through in all different directions
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Secrets of the Underground

We send currents throughin all different directions, just every pattern conceivable

We send currents through
in all different directions, just every pattern conceivable

Full Transcript

00:00:01.000 --> 00:00:03.052
We send currents through in all different directions,
00:00:03.006 --> 00:00:05.024
just every pattern conceivable.
Duration
5 seconds
Views
12
Timestamp in Movie
00:11:07
Uploaded
Jul 13, 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 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,
S01 • E08 The thermal camera will show these sources in varying shades of colour, - Secrets of the Underground 00:11
The thermal camera will show these sources in varying shades...
S01 • E01 The billiards room was well known as one of the best in the Midwest. - Secrets of the Underground 00:05
The billiards room was well known as one of the best in the ...
S01 • E07 So, could these fumaroles on Mammoth mountain be a dark omen. - Secrets of the Underground 00:05
So, could these fumaroles on Mammoth mountain be a dark omen...
S01 • E03 Because if the 49 workers were dug up - Secrets of the Underground 00:08
Because if the 49 workers were dug up
S01 • E01 Look at this wood! Oh my goodness. Wow. - Secrets of the Underground 00:05
Look at this wood! Oh my goodness. Wow.
S01 • E08 On a frigid night like tonight, - Secrets of the Underground 00:07
On a frigid night like tonight,
S01 • E01 This is now called the Oak Room, - Secrets of the Underground 00:06
This is now called the Oak Room,
S01 • E03 During that period, they were exposed to the atmosphere, - Secrets of the Underground 00:08
During that period, they were exposed to the atmosphere,
S01 • E08 As I work my way along the dungeon's outer wall, - Secrets of the Underground 00:07
As I work my way along the dungeon's outer wall,
S01 • E01 And this was kind of the headquarters of the booze-trading - Secrets of the Underground 00:08
And this was kind of the headquarters of the booze-trading
S01 • E03 So, we're also searching for cavities of air - Secrets of the Underground 00:10
So, we're also searching for cavities of air
S01 • E07 Right there. - Secrets of the Underground 00:04
Right there.
S01 • E01 We think both George Remus and Al Capone - Secrets of the Underground 00:12
We think both George Remus and Al Capone
S01 • E08 But the thermal readings still aren't giving me enough detail - Secrets of the Underground 00:06
But the thermal readings still aren't giving me enough ...