Synthetic ribosomes may prove useful tool for nanotechnology

The relevance of the ribosome to nanotech may be greatly increased by the announcement that synthetic ribosomes have been created and used to synthesize a complex protein named firefly luciferase.

Structural DNA nanotechnology arrays devices to capture molecular building blocks

Two independently controlled nanomechanical devices can be positioned on a two-dimensional DNA grid so that they can cooperate to capture between them one of four DNA building blocks, determined by which of two possible states each device is set to.

The nanotechnology we were promised

A response to my “Parricide” essay has been seen on IEEE’s Tech Talk blog. Dexter Johnson gives a fair summary of the positions taken to date, and says As the argument seems to go, Drexler popularized the term nanotechnology in his book Engines of Creation, and so when the general public heard that thousands of… Continue reading The nanotechnology we were promised

Cool new nanocars

A new nanocar that runs cool — at room temperature — has been demonstrated by the research group of Stephan Link, colleague of James Tour at Rice. Tour won Foresight’s Feynman Prize last year for his earlier nanocar work. This press release describes several novel features of the latest work. In particular, the new cars… Continue reading Cool new nanocars

Toward atomic-scale computing with nanotechnology

Christian Joachim (who shared the Foresight Nanotech Institute Feynman Prize in the Experimental category in 1997 and won in the Theoretical category in 2005) is heading a group of researchers working to bring about atomic-scale computing. ScienceDaily led us to this European Commission ICT Results feature “Computing in a molecule“, which describes their on-going efforts:… Continue reading Toward atomic-scale computing with nanotechnology

The weather machine

The following is an edited and revised version of the talk I gave at the Global Catastrophic Risks conference that was held in conjunction with Convergence 08 (and which I reprised for Convergence). I’m posting it here because it seems to me that this is exactly the kind of thing Foresight was founded for: to… Continue reading The weather machine

Tunneling electrons could power nanotechnology

Molecular dynamics simulations show that electron tunneling through nanoscale rotary motors based on carbon nanotube shafts may enable nanotech motors to rotate more than a million times faster than their biological counterparts.

DNA nanotechnology provides an improved tweezers

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.

Research challenges for the diamondoid mechanosynthesis path to advanced nanotechnology

On 5 June 2008, Robert Freitas and Ralph Merkle of the Institute for Molecular Manufacturing (IMM) submitted to IEEE Spectrum the following response to the article “Rupturing the Nanotech Rapture” by Richard A.L. Jones (IEEE Spectrum, June 2008 issue). Their brief letter is reproduced below because Spectrum has chosen to publish only one of the… Continue reading Research challenges for the diamondoid mechanosynthesis path to advanced nanotechnology

Programming cell behavior with RNA nanotechnology

Nanotech applications based upon modules of RNA that bind small molecules to control the catalytic activity of other RNA modules may form the basis for a wide variety of synthetic molecular machines.

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