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Gaming the Future: The Book!

Category: Nanodot

'Nanodumbbells' for Self-Assembly Nanostructures

Roland Piquepaille writes "A group of chemists at the Hebrew University of Jerusalem has developed 'nanodumbbells' — gold-tipped nanocrystals which can be used as building blocks for future electronic devices. These 'nanodumbbells', which are shaped like mini-weightlifting bars, will apparently solve two nanotechnological problems: assembling billions of nanocrystals into a single integrated electrical circuit; and provide good electrical contact. And they will be used to create self-assembling chain structures of nanocrystals. This overview provides other details, pictures and references about this project. [Additional note, totally unrelated to the scientific content: there is not a single reference to 'nanodumbbells' by Google, at least right now when I'm typing this.]"

'Lab-on-a-chip' to Detect Life Forms in Space

Roland Piquepaille writes "Researchers at NASA's Marshall Space Flight Center (MSFC) are using 'lab-on-a-chip' technology for medical testing and are customizing them to use in space to detect bacteria and life forms on other planets. These chips will also be used to protect astronauts aboard a spacecraft by detecting microbes and contaminants. These microarray diagnostic chips are very small. They also are inexpensive because they share the fabrication technology used to print circuits on computer chips. Therefore, a Martian expedition will be able to embark a very large number of these chips to secure the mission. More details and references are available in this overview, which includes a photograph of a NASA biochip."

Molecular Borromean rings created

New Scientist reports that three interlocking molecular Borromean rings were self assembled by a team led by Fraser Stoddart. Stoddart told New Scientist his work on Borromean rings was inspired in part by "their potential to be turned into some of the smallest possible machines and switches you can design at the molecular level." Jay Siegel, a chemist at the University of Zurich, agreed that "Chains and links are important for making gears and switching devices".

Nanorobotic Simulation

Svidinenko Yuri writes "Dear Colleague! We have new nanomedicine article about medical nanorobot's design and simulation. Article illustrated with several images, which explains nanorobotic design and functions. "Cell Repair Nanorobot Design And Simulation" Link: http://www.nanonewsnet.com/index.php?module=pagese tter&func=viewpub&tid=4&pid=2 Hope, this article will be interesting to your auditory. Sincerely, Svidinenko Yuri, NanoNewsNet analyst."

Molecular manufacturing in Physics Today

Scholars Probe Nanotechnology's Promise and Its Potential Problems surveys the widespread interest in applications based upon the novel characteristics of materials structured at the nanometer scale, and the effort that is being invested in studying environmental and health issues associated with using nanomaterials. The goal is to avoid the public relations problems faced by other technologies that did not take seriously risks and public concerns about those risks. However, "The concern that has generated the most attention in the popular press has been gray goo-self-replicating nanobots that could hypothetically get out of control." Rather than addressing this narrow issue specifically, many mainstream scientists have tried to avoid the issue by making unsupported claims that self-replicating nanomachines can't be made. Eric Drexler is quoted defending the claim that nanoscale machinery capable of making atomically precise products can be manufactured. "Through the quirks of politics, the mainstream has rejected the original goal [the vision Richard Feynman described in 1959]. We are raising a generation of researchers who have been told that molecular manufacturing will threaten their careers."

Nanotechnology VIPs listing

Benjamin Melki writes "In addition to nanotechnology companies' profiles, Nanovip.com is now listing nano people's profiles (companies' founders, Ceo, Scientists, media.)
Have a look at the profiles that we have registered currently: http://www.nanovip.com/directory/People/index.php
Nano VIP?s are invited to register: http://www.nanovip.com/nanoviptemplate.php?section =vipregister "

Nanotechnology and the communications frontier

InfoComm writes "The convergence of nanotechnology with the world of communications – nanomobility – creates a whole new industry segment for the commercialization of solutions. When combining nano-scale applications to the Personal Area Network ecosystem, for example, what type of products and services do you foresee in the market 5, 10, 15 years from now?"

nanosprings: nanoelectromechanical actuators

Dr. J.P. Singh writes "Nanostructures such as nanorods, nanowires and nanosprings are building blocks of future nanomachines and have potential applications in nanosensors and nanodevices. Due to their high structural flexibility and strength, nanosprings should be suitable for applications in nanoelectromagnetic sensors and devices. However, so far no electromechanically actuated nanosprings has been demonstrated. We demonstrated a nanoscale electromechanical actuator operation using an isolated nanoscale spring. The four-turn Si nanosprings were grown using the oblique angle deposition technique with substrate rotation, and were rendered conductive by coating with a 10 nm-thick Co layer using chemical vapor deposition. The electromechanical actuation of a nanospring was performed by passing a dc current through it using a conductive atomic force microscope tip. The electromagnetic force produces spring compression. See upcoming article in 10 May 2004 issue of Appl. Phys. Letts."

NanoBusiness Alliance more favorable to MNT?

Steve Clark writes "Foresight director Glenn Reynolds has previously written several pessimistic articles on the Nanobusiness Alliance's views on molecular manufacturing. His latest article points toward a refreshing change: "It looks to me as if the industry has avoided a serious mistake, and that it has done so before its earlier approach led to disaster." Included is a quote from Smalltimes: "Modzelewski, normally an outspoken Drexler critic, was unusually courtly toward the group. 'Foresight has created some frameworks and guidelines for going forward that people should be looking at,' he said." Here's the complete article."

Nano Body Building

Roland Piquepaille writes "In this article from Backbone Magazine, Douglas Mulhall, author of "Our Molecular Future" tells us about the future of nanomedicine. He thinks that medical diagnosis will be the first successful steps, involving nanorobots which will raise alerts when they detect pre-cancerous cells. And twenty years from now, researchers envision that nanomedicine will be a trillion dollar industry. Around 2025, you'll pay $1,000 a year for a nanopill that will extend your life by suppressing heart attacks, diabetes and other diseases. Other scientists say that nanotechnology will be used to build synthetic bone and tissue, an opinion shared by Scientific American, which warns that growing replacement organs is still at least another 10 to 20 years in front of us. More details and references are available in this overview focused on how nanomedicine is going to totally take over healthcare in the 21st century. [Additional note: you can find former references to Mulhall's works on Nanodot, here or there.]"

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