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Tuesday, 14 July 2015

Hole

In 1955 Soviet geologists discovered the Mir mine, the first diamond mine in the USSR and the second largest excavated hole in the world, in Eastern Siberia.

Drilling began on May 24 1970 on the Kola Peninsula in Russia, of the Kola Superdeep Borehole. It eventually reached 12,262 metres (40,230 ft), making it the deepest hole ever drilled and the deepest artificial point on Earth.

The world's deepest swimming hole, located in Brussels, Belgium. Nemo 33 is a submerged structure with platforms at various levels that plummet down 108 feet. It holds 2,500,000 liters of non-chlorinated spring water that stays 86 degrees.

If you dug a hole to the center of the Earth and dropped a book down, it would take 42 minutes to reach the bottom.

If you drilled a tunnel straight through the Earth and jumped in, aside from burning up as you descend, gravity would stop you getting past the middle.

The little circles of paper that are cut out by a hole puncher are called "chad.”

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