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Kola Superdeep Borehole. The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth, which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1] It is the result of ...
Tunga penetrans. (Linnaeus, 1758) Tunga penetrans is a species of flea also known as the jigger, jigger flea, chigoe, chigo, chigoe flea, chigo flea, nigua, sand flea, or burrowing flea. It is a parasitic insect found in most tropical and sub-tropical climates. In its parasitic phase it has significant impact on its hosts, which include humans ...
The " Well to Hell ", also known as the " Siberian hell sounds ", is an urban legend regarding a putative borehole in the Siberian region of Russia, which was purportedly drilled so deep that it broke through into Hell. It was first attested in English as a 1989 broadcast by an American domestic TV broadcaster, the Trinity Broadcasting Network.
Tungiasis. Tungiasis is an inflammatory skin disease caused by infection with the female ectoparasitic Tunga penetrans, a flea also known as the chigoe, chigo, chigoe flea, chigo flea, jigger, nigua, sand flea, or burrowing flea (and not to be confused with the chigger, a different arthropod). The flea and the disease that it causes are found ...
At first the allies began digging saps without any precautions. After a series of explosions caused by counter mine action the allies increased the depth of the tunnels but began to meet rocky ground and the underground war had to return to higher levels. During the siege Russian sappers dug 6.8 kilometres (4.2 mi) of saps and counter mines.
The Superdeep (Russian: Кольская сверхглубокая, romanized: Kol'skaya sverkhglubokaya, lit. ' Kola Superdeep ') is a 2020 Russian horror film directed by Arseny Syuhin, [1][2][3] based on the real-life Kola Superdeep Borehole. The film focuses on a group of researchers and soldiers who investigate the mystery surrounding ...
Hobby tunneling. Hobby tunneling is tunnel construction as a pastime. [1][2] Usually, hobby tunnelers dig their tunnels by hand, using little equipment, and some can spend years or even decades to achieve any degree of completion. [2] In some cases tunnels have been dug secretly, and only discovered by chance.
Project Mohole. First successful test of deep-ocean drilling techniques. Project Mohole was an attempt in the early 1960s to drill through the Earth's crust to obtain samples of the Mohorovičić discontinuity, or Moho, the boundary between the Earth 's crust and mantle. [2] The project was intended to provide an earth science complement to the ...