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  • Drexler Joins Nanotronics

    SVETTER@MMEI.COM - - General


    Nanotronics just announced a new feature added to their atomically-precise 3-D microscope.  They also announced the Eric Drexler joined their advisory board.  I take the latter as a pretty firm endorsement that they are on the critical path to APM.  Here is a link to a brief article about it:™-virtual-reality-technology-enabling-3d-virtual-e#axzz3YNGZNk7A SteveSteven C. Vetter President, Molecular Manufacturing Ent…

  • It was twenty years ago that I participated in the discussions on this, so my memory may be a bit cloudy, but I seem to remember that the original intent was to require rotations as well.  It does say "...controlled motions needed to manipulate and assemble individual atoms or molecules into larger structures, with atomic precision", and as Drexler elaborates in Nanosystems, and subsequent simulations from Merkle and others show, that often requires rotations.  IMO, it should say 6 DOF explicitl…

  • (Sorry to spam).  As to the question of when the prize will be claimed, I invite you all to take the pole I just posted on this, and related questions. SteveSteven C. Vetter President, Molecular Manufacturing Enterprises, Inc. 4105 Countryview Drive Eagan, MN 55123 (651) 285-4299

  • A Pole to Stimulate Discussions

    SVETTER@MMEI.COM - - General


  • Thank You, Jim!

    SVETTER@MMEI.COM - - Miscellaneous


    While this is off-topic, I think Jim deserves recognition and the huge THANK YOU! for moderating sci-nanotech for so long, and even more so, for voluntarily setting up this web version.  I for one am looking forward to reinvigorating these discussions. Thank you, Jim. SteveSteven C. Vetter President, Molecular Manufacturing Enterprises, Inc. 4105 Countryview Drive Eagan, MN 55123 (651) 285-4299

  • On the issue of DNA origami being sufficient to claim the prize, the short answer is unfortunately "no". The closest I've seen to anyone potentially claiming the prize was in 2000 when James Ellenbogen presented a molecular electronics design of a half-adder*.  I immediately realized the potential.  I remember saying to Ralph Merkle right after the talk "Well, just build seven of those and half the grand prize is done!"  [A half-adder adds two one-bit numbers; seven of them is sufficient to add …

  • Will, I believe the answer is "all three".  Having been the FI Treasurer for a couple years, then the BOD Secretary, has provided me with a bit of insight into the problems.  Unfortunately of course, the details are privileged information that I cannot share.  However, I agree that a way should be found to increase this fund.  I will say that a couple years ago we made a change in the way this fund was managed which should help a bit, but it is far from completely addressing the issues.  For one…

  • Chris, In general, I like your idea.  (At a meta level, I like that you are always coming up with innovative ideas, as well.)  However, while I admit I have not done the detailed calculations, scaling as the cube works both ways of course. My intuition is that the net magnetic moments at scales of a few nm would be too feeble / unreliable to be practical.  As Jim alluded to, the electrostatic forces would I suspect overwhelm the magnetic forces at that scale.  The volatility of magnetic domains …