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Merkaba is our light body, an inter-dimensional time travel vehicle, a sort of UFO, which is self created within the energy field, using concepts of Sacred Geometry. The Merkaba is 2 counter-rotating fields of light generated from the spinning of specific geometric forms.
The star tetrahedron is the primary shape of the Merkaba. Drunvalo Melchizedek (Flower of Life workshops), states that the first eight cells of our being, of all cellular beings, form the star tetrahedron, and those original eight cells remain at the base of the spine.
The star tetrahedron shape is the geometric foundation of our energy field. This geometry is viewed around and interpenetrating the physical body, but usually remains inactive unless consciously activated.
Technically, the Merkaba is the geometry of light. Once activated, the geometry of light, described in terms of sacred geometry shapes known as the Platonic solids, is a “vehicle” of light. This vehicle activates a field of light that can extend around the body for a distance of 55 feet. When this field is reactivated and spinning properly, it is called a Merkaba. A fully activated Merkaba looks like the structure of a galaxy or UFO.
In his books, researcher and physicist Drunvalo Melchizedek describes this figure as a "Star Tetrahedron", since it can be viewed as a three dimensional Star of David. By imagining two superimposed "Star Tetrahedrons" as counter rotating, along with specific "prana" breathing techniques, certain eye movements and mudras, it is taught that one can activate a non-visible 'saucer' shaped energy field around the human body that is anchored at the base of the spine. Here is an article by Drunvalo Melchizedek ... History has talked about the Mer-Ka-Ba mostly as the vehicle that allows a person to ascend or descend into the higher or lower worlds. But actually the Mer-Ka-Ba is much more than just a vehicle of ascension. It can be, really, anything — since it is the primal pattern that created all things and all universes, both visible and invisible (see The Ancient Secret of the Flower of Life, volumes I & II). In the Bible there is reference to Ezekiel and the wheels by which Ezekiel ascended into heaven. This was the Mer-Ka-Ba. In the Torah, there is reference to the Merkavah (as it is spelled in Hebrew) which has two different meanings: One meaning is ''chariot,'' which is a vehicle; the other is the ''Throne of God.'' When the two definitions are combined, the true meaning comes to life. In Ancient Egypt, this primal pattern was called the Mer-Ka-Ba. It was actually three words, not one. Mer meant a kind of light that rotated within itself. Ka meant spirit, in this case referring to the human spirit. And Ba meant the human body — though it also could mean the concept of Reality that spirit holds. And so the entire word in ancient Egypt referred to a rotating light that would take the spirit and the body from one world into another. I once spent a couple of hours with Credo Mutwa, the spiritual leader of the Zulu tribe in Africa. He explained to me that Merkaba (one word) was a Zulu word meaning a space/time/dimension vehicle. He told me that according to Zulu legend his entire tribe had come from another dimension here to Earth using the Merkaba. In the modern world there are teachers worldwide — and I am one of them — who are helping people remember the Mer-Ka-Ba. Thus begin a process in consciousness that will eventually translate us from the third-dimensional world into the next higher one through what is being called 'ascension'. Ascension involves a process where the human body is transformed into light and translated by an incredible birth into a new world. It is achieved through a meditation that requires the mind, heart, body, and spirit to completely integrate in one pattern of light and transcend the human limitations of this reality. This concept of the Mer-Ka-Ba as an ascension vehicle is not new. It is very, very old. What actually is the Mer-Ka-Ba? Technically, it is an electro-magnetic field sitting at about four degrees Kelvin, found primarily within the microwave range — at least in the third dimension — that is entirely geometric in nature. Specifically, the geometry used is called ''Sacred Geometry,'' as this particular geometry is found in the creation patterns of all things in Creation. The Mer-Ka-Ba field is extremely complex, involving the five Platonic solids and other sacred polyhedrons. It is believed to extend through all possible dimensional and parallel universes, and can possibly change its nature from electro-magnetic to whatever is appropriate. The blueprint of the Mer-Ka-Ba is found throughout nature, such as in this photo of a galaxy. One of the functions of the Mer-Ka-Ba, as we said, is to act as the vehicle to take the spirit and the body into the next world. However, this function — and most of the other possibilities — is impossible to obtain until something changes within the person. The Mer-Ka-Ba is situated around the human body like a three dimensional geometric web that is dormant and nonfunctional, waiting for the right moment. When the spirit that inhabits the body remembers that it is there and begins to change certain aspects of itself, an incredible transformation begins to grow. It was believed in ancient times, and even written about by the Hebrews, that the Merkavah could be turned on by certain principles in meditation. This involves breathing changes, and mind, heart, and body changes that alter the way a person perceives the Reality. From my perspective, it is the beginning of ''Enlightenment.''

