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Archive for the 'Found On Web' Category

New book on molecular machines

Posted by Jim Lewis on June 20th, 2011

A new book collects the papers and discussions from the 2007 Solvay Conference “From Noncovalent Assemblies to Molecular Machines”.

Medical nanorobots win poll on engineering's Next Big Thing

Posted by Jim Lewis on May 10th, 2011

A poll of NewScientist readers selected medical nanorobots as the technology that will have the biggest impact on human life in the next 30 years.

Bottom Up as a next step within Top Down

Posted by Jim Lewis on March 30th, 2011

Using proprietary block co-polymer technology, directed self-assembly allows adding block co-polymers that assemble themselves into regular arrays on the surface of a silicon wafer that had been patterned using lithography.

Physicist and television host sees future for nanotechnology and AI

Posted by Jim Lewis on March 24th, 2011

In a review of physicist and television host Michio Kaku’s latest book, Foresight advisor Glenn Reynolds finds reason for optimism, but also cause for concern in the career choices of today’s brightest minds.

Mechanical manipulation of silicon dimers on a silicon surface (video)

Posted by Jim Lewis on March 23rd, 2011

UK scientists use mechanical force to manipulate silicon dimers on a silicon surface as a first step toward automated atomically precise manufacture of three-dimensional nanostructures.

Is policy uncertainty the cause of anemic growth in nanotechnology innovation?

Posted by Jim Lewis on March 17th, 2011

Will proposals to establish criteria for green nanotechnology foster growth of nanotechnology innovation?

Does nanotechnology need PR?

Posted by Jim Lewis on March 2nd, 2011

Does nanotechnology need more energetic PR, and if so, what kind?

Sixteen-year-old nanotechnologist wins Intel Fair and attends State of the Union speech

Posted by Jim Lewis on January 26th, 2011

Sixteen-year-old nanotechnologist Amy Chyao won top prize at the 2010 Intel International Science and Engineering Fair for her work on a nanoparticle to attack cancer cells and joined three other winners in Michelle Obama’s box during the State of the Union speech.

Advance could speed RNA nanotechnology

Posted by Jim Lewis on January 20th, 2011

RNA nanostructures chemically modified to be resistant to degradation retain 3D structure and biological activity.

Scaling up from atomic assembly and individual nanodevices to macroscopic systems

Posted by Jim Lewis on January 13th, 2011

51 years after Richard Feynman envisioned nanoscience in his famous address, “Plenty of Room at the Bottom,” four extraordinary researchers joined in a roundtable discussion of the future of nanoscience.

One-molecule robot to be presented at January’s TEDxCaltech conference

Posted by Jim Lewis on January 2nd, 2011

A one-molecule robot capable of following a trail of chemical breadcrumbs will be presented at TEDxCaltech-Feynman’s Vision: The Next 50 Years.

Nanodot in excellent company among top 50 blogs

Posted by Jim Lewis on November 30th, 2010

A list of the “Top 50 Blogs by Scientific Researchers” includes Nanodot among blogs focusing on open source and open access, academia, projects funded by organizations, and news produced by writers who research science.

Alien Invasion

Posted by J. Storrs Hall on February 24th, 2010

Robin Hanson comments on David Brin’s response to a New Scientist editorial. As Brin notes, many would-be broadcasters come from an academic area where for decades the standard assumption has been that aliens are peaceful zero-population-growth no-nuke greens, since we all know that any other sort quickly destroy themselves.  This seems to me an instructive [...]

Is gravity an entropic spring?

Posted by J. Storrs Hall on January 15th, 2010

Two nanoparticles connected by a polymer will tend to be drawn together at finite temperatures (though not at absolute zero) because as the polymer chain explores the states available to it, there are many more tangled and balled up ones than stretched-out straight ones — even though there is no overt force pulling the chain [...]

Learning from science

Posted by J. Storrs Hall on December 31st, 2009

There’s a really nice article at Wired about Kevin Dunbar’s research how science is really done and how often scientists get data they didn’t expect. Dunbar knew that scientists often don’t think the way the textbooks say they are supposed to. He suspected that all those philosophers of science — from Aristotle to Karl Popper [...]

Quantum propulsion?

Posted by J. Storrs Hall on December 11th, 2009

From the TR Physics Arxiv blog: The quantum vacuum has fascinated physicists ever since Hendrik Casimir and Dirk Polder suggested in 1948 that it would exert a force on a pair of narrowly separated conducting plates. Their idea was eventually confirmed when the force was measured in 1997. Just how to exploit this force is [...]

2009 winter H+ out

Posted by J. Storrs Hall on December 9th, 2009

H+ magazine is available online:  my article, Singularity: nanotech or AI, is on page 82.  enjoy!  

Royal Society classic science papers

Posted by J. Storrs Hall on November 30th, 2009

The Royal society has a new website making freely available a selection of classic papers from the history of science. (h/t Luboš Motl’s The Reference Frame): I am just looking at an Isaac Newton’s letter about light and colors sent to the editor of Cambridge University Press in February 1671/72. It describes some Newton’s basic [...]

Eine Kleine Nachtphysik

Posted by J. Storrs Hall on November 29th, 2009

(or a little physics about climate change. Or at least a few clarifications about some of the points being raised.) In the wake of Climategate, a wide variety of mistakes and misapprehensions are being circulated on the Internet (as if that weren’t happening before). For example, in this article from the Telegraph: Phil Jones, the [...]

Peer Review

Posted by J. Storrs Hall on November 27th, 2009

Just for fun: (h/t Roger Pielke, Jr.)   ( (h/t Megan McArdle)