Micronautics? Perhaps you've heard this word before, but as I wrote in my word processor's spell checker immediate relief. So it's not in the dictionary yet. He'll be there one day. How soon this will happen? I guess that depends on our technological progress, but I'm sure: we need it.

Micronautics was a subject of science fiction for long. In one story, I remember vaguely from my childhood, a boy has made friends with a microscopic robot, living inside your body. The robot cleans the veins and entertained him with some clever conversations, until one day host almost choked on a clam. The robot was saved by pushing clam in his throat, but was sadly lost on a spit.

One must be very small to "get lost in the fire." In fact, comparison with a real vehicle, for example, eighteen wheels, measured in meters, nano-vehicle will have the same dimensions as measured in microns, ie will million times smaller in linear scale. When the construction of very small machines, are possible, the best area of application is in fact inside micro-space of a human body. Therefore, when micronautics, ie the ability to navigate microspace will become a reality, humanity profit enormous. First, micronautics bring revolutionary changes in medicine. Our bodies can literally be cleaned and repaired from the inside. Hundreds of infectious diseases Souls to atherosclerosis will be deleted or reduced to periodic cleaning, as professional dental cleaning today.

Just "Swallow Your Doctor", as Richard Feynman once, great physicist, formulated the plot. Feynman was actually quoting his graduate student, Al Hibbs, who came with this idea (R. Feynman, there plenty of space at the bottom, 1959). Of course, there is much more than they can play in this brief note. A day like micro-robots will establish a connection with the brain and the intake of your doctor, tax advisor, professor of Spanish or the probation officer will become a common practice. Perhaps our deeper freedom of the will of her own need for constitutional protection of a day. However, before they get into the need for a new amendment, many technical problems must be resolved.

It took a century of aviation development as sophisticated as we have today. How much We have time before the border can be assumed micronautics and airspace? Perhaps, given the acceleration of technological progress, we to reach that point within a shorter period of time. One of the "simple" tasks will be to design a nano-engine robots. The problem is that one can not simply download any existing mechanical motor, because compared to our macroscopic world, the material properties and physical processes dominate at scales micrometers be different. A nano-motor vehicle must have very few moving parts, compared to our cars. How do you do that?

With beamed energy propulsion (BEP) is a right way to advance nano-vehicles. BEP Most applications are designed for space. The beginning of the process is relatively simple: energy is transmitted to the nave of a separate and often remote source. In real life this will probably be an area of transmission of high power laser. In order to obtain "beams", the spacecraft collects and focuses the laser beam incident on some propellant solid. In high care, fuel evaporates instantly exhaust energy, often ionized, which drives the car with a rocket start. This is one of BEP possible scenarios, called ablative laser propulsion. There are other plans, but when you're changing from "space" micro-space, the question principal is who voluntarily agree to the firing of rockets into its (his) veins and arteries?

The good news is that nano-scale need not even to use destructive techniques propulsion. The medium is primarily water micronautics, which composes 90% of blood plasma. To advance in a liquid, many Bacteria are using the similar idea called flagellum, a tail of a helical shape, which basically works like a propeller. can be used in nano-motors. Energy can be supplied by the electromagnetic field: our bodies are almost transparent to magnetic fields and for certain frequency ranges of electric field. Therefore, a nano-circuit in the form of a loop or a solenoid, which can rotate or move in the external electromagnetic field can do the job. Flagellum be connected to a circuit, or may simply be a natural continuation of it. The orientation of a field set a direction of movement.

It should be noted that 50 years ago, Richard Feynman predicted that nano-doctors will be driven by electric motors powered by an external electromagnetic field. There are other possibilities, although as beams X, proposed by the professors of Tokyo University of Technology, Shiho and Yabe. Micronautics still may sound like science fiction, but is now a matter of physics and engineering. Among the scientific meetings, where discussion is micronautics International Energy Symposium beamed propulsion (ISBEP). The Sixth was held ISBEP in Scottsdale, Arizona, in November 2009. While the main scope of the conference is the use of best environmental practices for space propulsion, some work on the move to micro-space and is expected to be very welcome.

About the Author:

Andrew Pakhomov is founder and president of American Institute of Beamed Energy Propulsion, a nonprofit scientific organization serving to development and popularization of this space technology of the future AIBEP He is also associate professor of physics at University of Alabama in Huntsville. You can read more about fascinating field of beamed-energy propulsion, please visit official site of AIBEP.

Article Source: ArticlesBase.com – Beamed Energy Propulsion and Introduction to Micronautics

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