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Archive for November, 2008

Nanotechnology harnesses light for nanomechanical devices in integrated photonic circuits

Posted by Jim Lewis on November 28th, 2008

New nanotech applications may be made possible by the demonstration of a force generated from light that does not require a reflective surface.

Nanotechnology researcher to receive Sackler Prize in Biophysics

Posted by Jim Lewis on November 27th, 2008

Dr. David Baker, who with Dr. Brian Kuhlman was awarded the 2004 Foresight Nanotech Institute Feynman Prize for Theory, will be one of three winners of the 2008 Raymond and Beverly Sackler International Prize in Biophysics. Dr. Baker has been featured on Nanodot posts this year for inviting online gamers to aid in protein design [...]

DARPA to fund development of ‘brain-like’ computers

Posted by Jim Lewis on November 26th, 2008

A new multi-disciplinary collaboration will focus on developing computing technology that mimics the human brain in being able to solve a wide variety of problems.

New 4D microscope a revolutionary tool for nanotechnology

Posted by Jim Lewis on November 25th, 2008

A new microscope may facilitate nanotech developments by combining nanometer scale spatial resolution with temporal resolution in the millisecond to femtosecond range.

Prediction Markets Summit for 2009 announced

Posted by Jim Lewis on November 24th, 2008

A “Call for Participation” for the first post-US election Prediction Markets Summit and Collective Intelligence Conference of 2009 has been announced.

Texas invests in nanotechnology for delivery of anti-cancer drug

Posted by Jim Lewis on November 21st, 2008

A startup company has now received a $3.5 million grant from the state of Texas to commercialize the nanotech delivery of a drug for cancer treatment.

Fast and precise control of AFM tips may enable nanotechnology memory devices

Posted by Jim Lewis on November 20th, 2008

Arrays of atomic force probe tips are promising nanotech approaches to denser, faster, cheaper memories.

Can nanotechnology sequence DNA by pulling single molecules through a slit in graphene?

Posted by Jim Lewis on November 19th, 2008

It has not been tested experimentally yet, but if a proposal to use graphene as a nanotech method to sequence DNA very rapidly and inexpensively pans out, the “wonder material” of nanotechnology could find yet another use.

Toward molecular level data storage with nanotechnology

Posted by Jim Lewis on November 18th, 2008

British scientists are investigating telescoping carbon nanotubes as a nanotech replacement for current computer memory technologies.

Public approval for using nanotechnology for human enhancement limited to improving health

Posted by Jim Lewis on November 17th, 2008

Recently announced results of a US national survey on nanotech applications for “human enhancement” show widespread public support for enhancements seen as promising an improvement in human health, but little support for other uses.

Follow Convergence 08 on FastForward Radio

Posted by Jim Lewis on November 14th, 2008

If you are unable to attend the Convergence08 Unconference this weekend, you can follow some of the developments on FastForward Radio. Christine Peterson and Stephen Gordon pass along this information: This weekend The Speculist will be presenting not one, but two editions of FastForward Radio, both coming to you live from the Convergence 08 Unconference [...]

UK report urges more tests of health and environmental effects of nanotechnology products

Posted by Jim Lewis on November 14th, 2008

The report concludes that nanotech products are coming to market without adequate tests for safety based upon the unique properties of the nanomaterials.

Nanotechnology art honors President-Elect Obama

Posted by Jim Lewis on November 13th, 2008

Today we have a nanotech nod to last week’s historic election for US President and an example of the artistic possibilities of nanotechnology.

Nanotechnology minimizes problems with medical implants

Posted by Jim Lewis on November 12th, 2008

Nanotech membranes made of nanoporous alumina coated with diamond-like carbon films promise to minimize problems with medical implants.

Mass production method for nanotechnology wonder material

Posted by Jim Lewis on November 11th, 2008

The publication of a method to mass produce graphene has opened the way to further study of this remarkable nanomaterial.

Using nanotechnology to build backpacks for cells

Posted by Jim Lewis on November 10th, 2008

A patch consisting of three layers of polymers can be loaded with nanoparticles and attached to living cells to give them nanotech backpacks.

DNA nanotechnology provides an improved tweezers

Posted by Jim Lewis on November 7th, 2008

Re-engineering a simple nanotech device to make it more functional, Chinese scientists have developed an improved DNA tweezers that is able to capture, hold, and release a target molecule in a controlled manner.

Mechanosynthesis with AFM as a step toward advanced nanotechnology

Posted by Jim Lewis on November 6th, 2008

Robert A. Freitas Jr. brings to our attention a major step on the road to advanced nanotech, published a couple weeks ago in Science (abstract). He writes: This paper reports purely mechanical-based covalent bond-making and bond-breaking (true mechanosynthesis) involving atom by atom substitution of silicon (Si) atoms for tin (Sn) atoms in an Sn monolayer [...]

Nanotechnology provides antireflective coating to boost solar cell efficiency

Posted by Jim Lewis on November 5th, 2008

By nearly eliminating the light lost to solar cells by reflection, a nanotech coating promises to increase solar cell efficiency.

Biomineralization may show nanotechnology how to align atoms in regular arrays with unusual morphologies

Posted by Jim Lewis on November 4th, 2008

A better understanding of how biomineralization converts ordinary minerals to biological mineral structures with extraordinary hardness and fracture resistance may lead to superhard materials for nanotech applications.