Are you ready to design a "molecular" machine? Software that is a distant cousin of conventional solidmodeling packages may turn today's designers into molecular engineers. A model of a worm drive assembly in NanoEngineer-1 comprises 11 components totaling 25,374 atoms, with different colors corresponding to each atom's element type. The cylinders sticking out from the end of the two worms are rotary motor jigs. The yellow boxes, which are surrounding atoms along the edge of a silicon carbide casing, are anchors used to fix atoms in space during a simulation. A model of a pump assembly includes over 65,000 atoms, the largest nanomechanical model designed in atomic detail. The model was inspired by the molecular sorting rotor shown in the nanofactory animation available at 22170440316254003. The pump sorts acetylene molecules from raw feedstock molecules before they enter the main machinery of the nanofactory. The area highlighted in blue indicates a molecular fragment used as a base for the Extrude feature and extended to create a nanorod. Space-fill displaymode (bottom) shows the nanorod's final shape. A model of a planetary gear by K. Eric Drexler shows a rotary motor jig attached to atoms in a sun (pinion) gear. Simulation movies of similar gears can be found in the NanoEngineer-1 gallery at The future of technology is, in some ways, easy to predict. Materials will become stronger, medicine will cure more diseases, and computers will become faster, more powerful, and smaller yet. At some point, however, it will no longer be feasible to drive technological advance by miniaturizing macroscale products and processes. After all, they can only get so small. Advanced nanotechnology will then come into play. Instead of manufacturing equipment altering material from the top down, nanoscale "machines" will build products from the bottom up. CAD molecular-modeling engineering software is an important tool in
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High Vacuum Pumps
High and ultrahigh vacuum pumps operate efficiently in the high vacuum region and develop molecular flow for highly evacuated systems.
Mass Spectrometers
Mass spectrometers separate ions by their mass-to-charge (m/z) ratios. They are used to identify compounds by the mass of one or more elements in the compound. They are also used to determine the isotopic composition of one or more elements in a compound.
Vacuum Traps, Getters, and Filters
Vacuum traps, vacuum getters and vacuum filters are used to remove tramp gases with a cooled surface, molecular sieve, filtration, or other processes.
Product Announcements
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InCon's Laboratory Short Path Distillation System is a small Molecular Distillation System for R&D facilities. It is invaluable in developing formulations, generating products and proving process...
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The gear pumps are designed primarily for metering and transfer applications. Their modular design allows a wide variation of flow ranges with a standard parts set. These pumps provide a broad class...
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This oil-free pump is designed to provide a high flowrate for OEM aspirator and other applications using a compact package that generates over 100 LPM of free flow and vacuum to 27 in. Hg.
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KNF Neuberger announces a new range of oil-free diaphragm vacuum pumps that are first to use their patented dynamic mass balancing mechanism.
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Topics of Interest
" The constraints of predictability, stability, and positional control in the face of thermal vibration all favor the use of diamondoid covalent structures in future nanomachines. Present-day...
Phenomenological Interatomic and Intermolecular Potentials
The procedure and steps presented above is important when dealing with nanosystems composed of up to a few hundred atoms and molecules, or...
With the basic quantum theory of atomic systems developed in the previous chapters, it is now possible to address the question, at least in a qualitative way, of how atoms can be held together to form...
2.1 General Considerations
Physics is the classical material science which covers two extremes: on the one hand, there is atomic or molecular physics. This system consists of one or several atoms.
Nanoscale science and technology is a young and burgeoning field that encompasses nearly every discipline of science and engineering. With rapid advances in areas such as molecular electronics,...
