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What is feasible technology?

Is nanotechnology feasible? What are the possibilities with such technology?

  • What is the smallest possible size to build a machine. Would one be able build machines the size of, if not, smaller than the size of an atom? Could you use such machines to alter the state of atomic nuclei, for example; to change platinum into gold? How would it be possible to mass produce nano sized machines, could it be done on an assembly line? Does anyone know the latest developments in nano-technology or a site highlighting such news?

  • Answer:

    Nanotech is currently in existence, and being used commercially in special (and expensive) products such as memory cloth (capable of holding its shape when an electical current, such as bioelectromagnetic fields, passes through it. The normal looking synthetic cloth becomes strong and stiff as aluminium to a preprogrammed shape (exactly like what was seen in the hollywood blockbuster Batman Begins). Technology in this area has limitless potential for growth, and as human understanding of the little pieces that make up everything improves, everything we use will become smaller and more useful. Are there littler pieces that make up the strings that Super String Theory has come to understand are the building blocks of thought and feeling? can those smaller pieces be used to control energy itself in order to literally control the fabric of existence? or make objects disappear into the space that makes up 99.9recurring percent of the size of matter? These things are well and truly feasable. Turning worthless metals into gold or diamond is ancient alchemical technology, developed and used over 4000 years ago. I think we can aim higher than that. In the future, assembly lines will not be neccessary, as the nanobites will be programmed to repair, rebuild and replace themselves and each other, in-situ, as necessary, with the use of artificial intelligence programming.

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Your questions are a matter of an onging debate. Try this: http://pubs.acs.org/cen/coverstory/8148/8148counterpoint.html

beren

The smallest machines are currently on the nano-scale i.e. 10^-9 metres I don't know any practical applications for machines that small but I doubt they will get smaller than atoms (~10^-10 metres) nanotechnology is mostly useful for studying existing phenomena like studying chemical reactions on the molecular level. I think the most exciting prospect is quantum computing.

Mike

Hi: To answer your question; Read the the book entitled "The Engine of Creation" by Eric Dexler ( it is on the web too) it will answer all your question about nanotechnology. and No! you can not change Platinum into gold this a atomic process involving Neutrons and Protons and a lot of heat. However what you are doing is useing atoms to build Molecular machines such computers celluar machines and assembler w/ diassembler fuctions to bulid almost anything ( for example: diamond hard material, machines that can turn air, water into any form of oil,waxes plastics,or superhard flexiable material in the shape of working car bodies which are lighter. Check the Sources for more info on it

iroc70

Common misconception here. Nanotechnology just is not about making things smaller and smaller, (although in many techniques "nano" currently is the smallest possible size) but about the range of "nanometer structures" where interesting phenomenas between our everyday world and quantum physics appear. It's done long before it got a buzzword and has already produces a lot of devices, the read head in your hard disk uses probably the GMR (Giant Magneto Resistance) Effect, which is a nano device. In your mobile phone and in your sat receiver some HEMT (High electron Mobility Transistors) do just the work: Nanotechnology, without this these devices were not possible in that way they are. In the moment work is done at IBM and other places to replace flash memory with magnetic memory in a first step, then the computer memory as whole with magnetic memory which uses the quantum mechanic tunnel effect. The result would (hopefully, still much work to do) a large and fast memory that don't loose it's information when the computer is turned off. Good bye, Hard disk ;) ! Also is currently tested to use the spin of the electrons (their internal magnetic moment) and not the charge to build a computer, which is one idea of the next generation of electronics: spintronics. And these are just some of the topics in solid state physics is worked on. Nanoscience includes a lot of other subjects of physics, chemistry, biology and medicine. But nanoscience doesn't deal with nuclear physics, as you suggest, this is way below the range of *nano*meters. But as good old Feynman said: "There's plenty of room at the bottom!"

Wonko der Verständige

Of course it's feasible, they're making nanobots right now over at Intel.

ianr1984

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