Viktor Grebennikov
Encyclopedia
Viktor Stepanovich Grebennikov (Виктор Степанович Гребенников) (1927-2001) was a Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n scientist
Scientist
A scientist in a broad sense is one engaging in a systematic activity to acquire knowledge. In a more restricted sense, a scientist is an individual who uses the scientific method. The person may be an expert in one or more areas of science. This article focuses on the more restricted use of the word...

, naturalist
Natural history
Natural history is the scientific research of plants or animals, leaning more towards observational rather than experimental methods of study, and encompasses more research published in magazines than in academic journals. Grouped among the natural sciences, natural history is the systematic study...

 and entomologist who claimed to have invented a levitation
Levitation
Levitation is the process by which an object is suspended by a physical force against gravity, in a stable position without solid physical contact...

 platform which operated by virtue of insect
Insect
Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...

 body parts attached to the underside. Grebennikov wrote detailed accounts of his 1988 discovery, which involved an accident whilst examining chitin
Chitin
Chitin n is a long-chain polymer of a N-acetylglucosamine, a derivative of glucose, and is found in many places throughout the natural world...

 shells. He also wrote of his experiencies flying over the Russian countryside in his book titled "My world".
The Cavernous Structure Effect (CSE) he discovered is an alleged anti-gravity
Anti-gravity
Anti-gravity is the idea of creating a place or object that is free from the force of gravity. It does not refer to the lack of weight under gravity experienced in free fall or orbit, or to balancing the force of gravity with some other force, such as electromagnetism or aerodynamic lift...

 effect.

Although popular with many readers who dream of unpowered human flight, Grebennikov's work is criticized by scientists. His reports are suspiciously devoid of conclusive proof or public demonstration. He claimed that his camera shutter was jammed during the flights due to a time-warping force-field generated by the secret geometric power of chitin.

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