*This article represents the tip of the iceberg of technologies that have been mastered & are in full use by our Galactic Brethren & Sistren. In truth, each & everyone of us were familiar with this type of data as commonplace in the Atlantean timeline... as our 12-Strand DNA continues to come online, these memories will come into clearer Light.
Streams of sound are now all you need to make objects dance in the air and combine. A levitation device is the first to use high-frequency sound waves to bring together floating particles and liquid droplets. In principle, the technique could even levitate a person or animal – although it’s not strong enough yet.
For now, such hands-free control could be used to study chemical reactions in extreme environments, to move hazardous materials and to simulate the low-gravity environment of space. At 24 kilohertz, the waves are too high-pitched to be audible to humans – but can be heard by some animals, including cats, bats and mice.
Other levitation methods use magnets or electrical fields, making mag-lev trains – and even levitating frogs – possible. But in these cases, the levitated objects must have particular magnetic or electrical properties.
Acoustic levitation imposes no such constraints. It can, in principle, float anything, says Dimos Poulikakos of the Swiss Federal Institute of Technology (ETH) in Zurich, Switzerland.
Levitation node
A sound wave is a pressure wave that produces a force and so has the potential to counteract gravity. To float things using sound, you need to ensure the force remains constant in a particular point in space.
This has been done previously, by using speakers or other resonators to fire pressure waves upwards and bounce them off a reflector. The original waves and their reflections then combine to create a standing wave, with a series of stationary "nodes" that stay put even as the wave oscillates.
If the standing wave has the right frequency, the force at these nodes exactly cancels gravity – and anything trapped there hovers in place...
Floating people
There is no intrinsic cap to the size of an object that this device can levitate. So it should be possible to float a person, as humans are only slightly denser than water. "I see no problem with that," says Poulikakos.
However, the larger the object, the bigger the amplitude of the sound waves required, so it might be a bumpy and dangerous ride: if a person slipped outside their node, they could take a pummelling because a large amplitude would mean a large upward or downward force. "Whether a human being could survive the acoustic forces, I'm not 100 per cent sure," says Poulikakos.
http://www.redicecreations.com/article.php?id=26342
read full article at: newscientist.com
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