> The production of very low-frequency waves (ELF ) by interacting with the ions present in the Van Hallen belts, can, `due to the interaction between the electric field and the gravitational discovery by Professor Fran De Aquino`, lead to a reduction in gravity over a certain area of the earth. [Fran De AQUINO Gravitational Spacecraft](http://www.rexresearch.com/aquino/aquino.htm) [Quantum Controller of Gravity](https://issuu.com/aquino/docs/quantum_device) [The Gravitational Spacecraft](https://issuu.com/aquino/docs/the_gravitational_spacecraft)