Category: Nanodot

EurekaAlert/AAAS will be having an online chat/conference Jan. 12 2005 from 10-12 AM EST. The URL: http://www.eurekalert.org/nanotalk.

You can submit questions before the chat session.

The panel they have assembled appears to involve several well informed experts from a biomedical standpoint — whether they are well informed from a nanomedical standpoint could be a provocative topic for conversation.

Even if you cannot make the conversation please do submit your questions for discussion.

Anything and all we can do to engage and/or educate the the more classic academic school is time well spent.

Roland Piquepaille writes "This sounds almost too good to be true — at least for some time. Physicists from Boston University have fabricated nanomechanical switches which promise fantastic advances in data storage. Their nanodevices will have densities exceeding by orders of magnitude existing storage devices. They will deliver data at speeds in the megahertz (and possibly gigahertz) range, also exceeding by far the few hundred kilohertz of our current hard drives. And finally, they will only use some femtowatts of power each, leading to hard drives consuming maybe a million times less electricity than existing devices. So, where's the catch? Will we ever see hard drives built with these nanomechanical switches? Honestly, I don't know, but read more for other details and references."

Carsten Zander writes Intelligent nanoparticle systems? Here is an (hypothetical) example:
An "intelligent" nanoparticle unit could imitate a neural network. It could be a simple mixture of a few nanoparticles N and o:

N o N o N
o N o N o
N o N o N
o N o N o
more….

HLovy writes "
What's important to note about the big nanotube/fullerene corporate love match announced this week is what CSixty is bringing to bulk materials supplier Carbon Nanotechnologies Inc. — some important drug-delivery technology and a partnership with Merck & Co.

more…

Gina Miller writes "Government Support for Nanotechnology in Silicon Valley with Congressman Mike Honda presented by IEEE SF Bay Area Nanotechnology Council will be held January 18, 2005 in San Jose, California, USA. Email: [email protected] to RSVP or with questions."

While it is not strictly classical nanotechnology, researchers at OSU and Hewlett Packard are reporting the development of transparent transistors based on zinc-tin-oxide.

This of course begs the question given the energy absorption capability, heat radiation capability and the fact that one is moving around electrons which can be much faster than moving around covalently bonded carbon atoms (as is the case with the Drexler rod-logic computer) whether we are headed for an age when our windows are more intelligent than we are?

Tim Fonseca writes "Greetings,

This is not a story, but a question. My question concerns my qualifications for entering my nanomedicine image renderings in the "IMM Prizes in Computational Nanotechnology for 2004 Art Contest" http://www.imm.org/prizes/ The IMM webpage mentions that submissions can be sent to Nanodot. Here I am at Nanodot, and damned if I can find a place to submit an image entrie. Please browse through my Nanobot Galleries, on my website. Let me know if my nano images qualify for the "design" and "rendering" categories of the 2004 IMM contest. Can one do a time reversal and enter the 2003 IMM contest, too, since no one won that year? As you can see, pride does not standeth in my wayeth.

Thanks,
Tim Fonseca"

The editors of nanodot apologize to Tim that it took so long to work back to his submission which is now ~6 months old.

UCLA and the California NanoSystems Institute are reporting on rapid progress in Molecular Electronics based on rotaxanes and catenanes [1, 2].

They apparently have an operational 64-bit RAM and are working on a 16-Kbit memory. These have densities that conventional DRAM or disk drive manufacturers can only wish for in their dreams.

1. Flood AH, Stoddart JF, Steuerman DW, Heath JR., Chemistry. Whence molecular electronics? Science 306(5704):2055-6 (17 Dec 2004).

2. Science Daily: Rapid Progress Reported In Emerging Field Of Molecular Electronics (20 Dec 2004).

Well it would appear that the U.S. government has released an updated strategic plan for nanotechnology development for the next 5-10 years. You can find the plan itself here. According to comments here the 22 government agencies involved are spending $1 billion on these efforts in 2004. Interesting given that there is no definition for "MNT" in the glossary of the "plan". So we are effectively spending $1B/yr on "nanoscale science"…

The question becomes is there any way to evaluate these plans and budgets to determine whether the U.S. government pushing long term high risk efforts that will ultimately lead to continued U.S. leadership in these high technology areas, or had we best sell everything we own in the U.S. and move to China and enroll in one of the 50 MIT's they plan on constructing? [1]. More…

1. Ray Kurzweil in "Machine Dreams" an interview by Art Jahnke in CIO, October 15, 2004

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A group lead by Luc Jaeger at UCSB is reporting [1] in the Dec. 17 2004 issue of Science that they now can program RNA building blocks to self-assemble into complex shapes. Interestingly if extended slightly and combined with certain chemical mixthres that polymerize or perhaps light-hardened polymers one could use the RNA pieces to create casting molds that would allow you to "cast" nanoscale parts with relatively precise atomic dimensions and a relatively high density of covalent bonds. More…

1. Chworos A, Severcan I, Koyfman AY, Weinkam P, Oroudjev E, Hansma HG, Jaeger L., "Building programmable jigsaw puzzles with RNA," Science 306(5704):2068-72 (17 Dec 2004).