Dan A. Davidison explains the basis behind Grebennikov's findings and how certain insects really fly (levitate) linking how a spinning vortex creates a magnetic field counteracting gravity. It's possible that an electrostatic effect is occurring at the nano level as well.
Dan A. Davidson's full lecture: https://www.youtube.com/watch?v=Kk-51e3l41I
Levitation (from Latin levitas “lightness”) is the process by which an object is suspended by a physical force against gravity, in a stable position without solid physical contact. A number of different techniques have been developed to levitate matter, including the aerodynamic, magnetic, acoustic, electromagnetic, electrostatic, gas film, and optical levitation methods.
In 1988 V.S. Grebennikov discovered bilogical antigravitation that is based of effect of cavity structures, in other words, it is De Broighl' waves resonances produced by volumetrical resonators of some biological objects.
There are some photos from his book and you can ask more from Juri N. Cherednichenko (Laboratory of biophysics Scientific Research Institute of General Pathology and Human Ecology SB Russian Ac. Med. Sci. Novosibirsk-city) who submitted the material on his web site:
http://www.sinor.ru/~che/grebennikov.htm - Mostly in Russian
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