NANOSYSTEMS

The Technology Roadmap for Productive Nanosystems defines “productive nanosystems” as functional nanometer-scale systems that make atomically-specified structures and devices under programmatic control, ie they perform manufacturing to atomic precision. Present-day technologies are limited in various ways. Large atomically precise structures exist, in the form of crystals. Complex 3D structures exist in the form of polymers such as DNA and proteins. It is also possible to build very small atomically precise structures using scanning probe microscopy to manipulate individual atoms or small groups of atoms. But it is not yet possible to combine components in a systematic way to build larger, more complex systems. Principles of physics and examples from nature both suggest that it will be possible to extend atomically precise fabrication to more complex products of larger size, involving a wider range of materials. An example of progress in this direction would be Christian Schafmeister’s work on bis-peptides. (From Wikipedia, the free encyclopedia)
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Dangers of Molecular Nanotechnology (MNT) Prt 1

If potential benefits of molecular nanotechnology (MNT) sound too good to be true, there is one caveat — the potential dangers of molecular nanotechnology. When nanofactories can arrange atoms into structures — playing with the building blocks of life itself, or in this case nanoblocks — theoretically anything allowable by the laws of physics can be created fast and cheap. Requirements include a few square feet for the nanofactory, the software, and an electrical outlet. Criminals, terrorists, disturbed individuals, governments, and antisocial groups of all stripes would be incredibly empowered by such technology. Additional potential dangers of molecular nanotechnology threaten the economy, environment, human rights, and world peace. The rush to gain supremacy through nanoweaponry could lead to a new arms race, while attempts to stranglehold the technology would likely result in independent, covert development. Unilateral, “open-source” international cooperation is another option that runs its own risks, and control in the public sector could lead to inequitable benefits and an Orwellian society. The probability factor of certain potential dangers of molecular nanotechnology will be higher than others, but all are possible within a scope of circumstances that, without prevention through forethought and planning, could feasibly come to pass. Some dangers cannot be discounted even with said planning, while others can reasonably be assumed to be goals of recognized …
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IBM NANOTECHNOLOGY VERY COOL! Moving Individual Atoms with Tuning Forks for Memory Storage

IBM NANOTECHNOLOGY VERY COOL! Moving Individual Atoms with Tuning Forks for Memory Storage
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Productive Nanosystem

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Welcome to productive nanosystem. A productive nanosystem is a  functional nanometer-scale system that makes atomically-specified structures and devices under programmatic control. This is performing manufacturing with atomic precision.

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Present-day productive nanosystem technologies are limited in various ways. Large atomically precise structures exist, in the form of crystals. Complex 3D structures exist in the form of polymers such as DNA and proteins. It is also possible to build very small atomically precise structures using scanning probe microscopy to manipulate individual atoms or small groups of atoms. But it is not yet possible to combine components in a systematic way to build larger, more complex systems. Some futurists expect productive nanosystems to exist during the latter part of the second decade of the 21st century – i.e. 2015 to 2020…  Thanks for visiting Productive Nanosystem.