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Space elevator
A space elevator is a theoretical structure designed to transport material from a planet's surface into space. Many different types of space elevators have been proposed. They all share the goal of ... > more -
Underwater explosion
An underwater explosion, also known as an UNDEX, is an explosion beneath the surface of water. The type of explosion may be chemical or nuclear. They are categorised in accordance with their depth ... > more -
Chernobyl disaster
The Chernobyl disaster was an accident at the Chernobyl Nuclear Power Plant on April 26, 1986 at 01:23 a.m., consisting of an explosion at the plant and subsequent radioactive contamination of the ... > more -
The Long Tail
The phrase The Long Tail describes certain business and economic models used by some larger Internet businesses. Products that are in low demand or have low sales volume can collectively make up a ... > more -
Distributed generation
Distributed generation is a new trend in the generation of heat and electrical power. The concept permits the "consumer", who is generating heat or electricity for their own needs, to send their ... > more -
General relativity
General relativity (GR) is the geometrical theory of gravitation published by Albert Einstein in 1915. It unifies special relativity and Sir Isaac Newton's law of universal gravitation with the ... > more
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