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Nanotechnology & Material Science News and Discussions

nanotechnology nano microtechnology micro material science metamaterials graphene atomic engineering molecular manufacturing nanobots

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727 replies to this topic

#21
Roh234

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Nanoscale wires defy quantum predictions


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Atomic-scale electronics follow classical, not quantum, rules.

Atomic electrical components conduct just like conventional wires, giving a new lease of life to Moore's law.
http://www.nature.co...dictions-1.9747

Edited by Roh234, 08 January 2012 - 01:07 AM.

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What is true, just, and beautiful is not determined by popular vote. The masses everywhere are ignorant, short-sighted, motivated by envy, and easy to fool. Democratic politicians must appeal to these masses in order to be elected. Whoever is the best demagogue will win. Almost by necessity, then, democracy will lead to the perversion of truth, justice and beauty. -Hans Hermann Hoppe


#22
wjfox

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^ I was about to post that, but you beat me to it. :)

#23
jjf3

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New Storage Device Is Very Small, at 12 Atoms:

SAN JOSE, Calif. — Researchers at I.B.M. have stored and retrieved digital 1s and 0s from an array of just 12 atoms, pushing the boundaries of the magnetic storage of information to the edge of what is possible

http://www.nytimes.c...ology.html?_r=1
"Did you really expect some utopian fantasy to rise from the ashes?" Thomas Zarek-- Battlestar Galactica.

#24
wjfox

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Gold nano 'ears' set to listen in on cells

Move over microphones, nanophones have arrived. A gold sphere just 60 nanometres in diameter is the most sensitive listening device ever created, paving the way for soundtracks to formerly silent movies of bacteria and other single-celled organisms.

http://www.newscient....-on-cells.html


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Image: Eye of Science/Science Photo Library

#25
Logically Irrational

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I just got around to reading Engines of Creation. It's really good so far, especially when you consider how far we've come since it was written.
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Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn!

#26
Logically Irrational

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Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn!

#27
wjfox

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I just got around to reading Engines of Creation. It's really good so far, especially when you consider how far we've come since it was written.


Glad you're reading it. I loved that book!

#28
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Nanoparticle trick 'boosts body's vaccine response'

Tiny capsules engineered to mimic part of the body's immune system could strengthen its response to vaccines, say researchers.

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From http://www.bbc.co.uk...health-16654182
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“One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away.”

 

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#29
wjfox

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Smallest-Ever Nanotube Transistors Outperform Silicon

A nine-nanometer device shows that nanotubes could be a viable alternative to silicon as electronics get even tinier.

http://www.technolog.../39532/?ref=rss


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#30
wjfox

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ScienceShot: Two-Dimensional Glass

by Katherine McAlpine on 2 February 2012, 11:39 AM

Researchers have created the world's thinnest pane of glass—and it looks oddly familiar. The glass, made of silicon and oxygen, formed accidentally when the scientists were making graphene, an atom-thick sheet of carbon, on copper-covered quartz. They believe an air leak caused the copper to react with the quartz, which is also made of silicon and oxygen, producing a glass layer with the graphene. The glass is a mere three atoms thick—the minimum thickness of silica glass—which makes it two-dimensional.

http://news.sciencem...ass.html?ref=hp



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Credit: (main) Pinshane Huang, David Muller, Cornell University; Ute Kaiser, Simon Kurasch, University of Ulm; (inset) W. H. Zachariasen

#31
Time_Traveller

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New nano-material combinations produce leap in infrared technology

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Arizona State University researchers are finding ways to improve infrared photodetector technology that is critical to national defense and security systems, as well as used increasingly in commercial applications and consumer products.

From http://www.nanodaily...nology_999.html

I think this will be a real good material for products and other things in the future.



“One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away.”

 

Stephen Hawking


#32
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Physicists Create a Working Transistor From a Single Atom

By JOHN MARKOFF
Published: February 19, 2012

Australian and American physicists have built a working transistor from a single phosphorus atom embedded in a silicon crystal.

http://www.nytimes.c...&ref=technology

#33
CyberMisterBeauty

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Wow!Wjfox,you love nanotechnology!You are really addicted to that! :cool:


I like nanotech as well,especially nanorrobotics.It will revolutionize our lives,the economy and the world! :) But I don't have patience to post entire notices here...

Edited by CyberMisterBeauty, 19 February 2012 - 10:16 PM.


#34
wjfox

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Single molecule's electric charges seen in first image

Researchers have shown off the first images of the "charge distribution" in a single molecule, showing an intricate dance of electrons at tiny scales.

http://www.bbc.co.uk...onment-17156036


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#35
mic of orion

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not sure where to post this, anyways watch this vid. really cool stuff

Edited by mic of orion, 10 March 2012 - 12:51 AM.

It's dangerous to be right, when your government is wrong.
They that can give up essential liberty to purchase a little temporary safety, deserve neither liberty nor safety.

#36
wjfox

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3-D Printer With Nano-Precision

285 micrometer racecar, printed at the Vienna University of Technology.
(Credit: Image courtesy of Vienna University of Technology, TU Vienna)

http://www.scienceda....0312101918.htm



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#37
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Awesome!
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#38
themethod

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3-D Printer With Nano-Precision

285 micrometer racecar, printed at the Vienna University of Technology.
(Credit: Image courtesy of Vienna University of Technology, TU Vienna)

http://www.scienceda....0312101918.htm



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one more step towards nanomanufacturing

Edited by themethod, 19 March 2012 - 08:53 AM.


#39
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New Technique Lets Scientists Peer Within Nanoparticles, See Atomic Structure in 3-D

ScienceDaily (Mar. 22, 2012) — UCLA researchers are now able to peer deep within the world's tiniest structures to create three-dimensional images of individual atoms and their positions. Their research, published March 22 in the journal Nature, presents a new method for directly measuring the atomic structure of nanomaterials.

"This is the first experiment where we can directly see local structures in three dimensions at atomic-scale resolution -- that's never been done before," said Jianwei (John) Miao, a professor of physics and astronomy and a researcher with the California NanoSystems Institute (CNSI) at UCLA.

Miao and his colleagues used a scanning transmission electron microscope to sweep a narrow beam of high-energy electrons over a tiny gold particle only 10 nanometers in diameter (almost 1,000 times smaller than a red blood cell). The nanoparticle contained tens of thousands of individual gold atoms, each about a million times smaller than the width of a human hair. These atoms interact with the electrons passing through the sample, casting shadows that hold information about the nanoparticle's interior structure onto a detector below the microscope.

http://www.scienceda...20322100419.htm


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#40
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'Buckliball' opens new avenue in design of foldable engineering structures

Motivated by the desire to determine the simplest 3-D structure that could take advantage of mechanical instability to collapse reversibly, a group of engineers at MIT and Harvard University were stymied - until one of them happened across a collapsible, spherical toy that resembled the structures they'd been exploring, but with a complex layout of 26 solid moving elements and 48 rotating hinges.

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From http://www.nanodaily...ctures_999.html

“One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away.”

 

Stephen Hawking






Also tagged with one or more of these keywords: nanotechnology, nano, microtechnology, micro, material science, metamaterials, graphene, atomic engineering, molecular manufacturing, nanobots

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