2/2 PHYSorg.com: Hi Tech & Innovation News

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Japanese machine turns office paper into toilet paper (w/ Video)
February 2, 2010 at 3:06 AM
(PhysOrg.com) -- As the latest invention in the wave of green technology, a machine called the "White Goat" that turns office paper into rolls of toilet paper sounds like an intriguing idea. Its Japanese developers, Oriental Co., Ltd., claim that the machine can save 60 cedar trees per year while minimizing office paper waste.
 

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1/30 This Week in Nanotechnology

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This week in nanotechnology - January 29, 2010
January 30, 2010 at 2:51 AM
Heatable paint for aircraft: Scientists at Battelle have worked for nearly a decade to overcome ice buildup on aircraft. Recently, they developed an environmentally friendly deicing fluid that can be sprayed on planes prior to flight. Now those same scientists have created a technology using carbon nanotubes that will work to prevent ice from forming during in-flight applications that could change the way this problem is solved in the future.

Researchers in the Electro-Optics Center (EOC) Materials Division at Penn State have produced 100 mm diameter graphene wafers, a key milestone in the development of graphene for next generation high-power, high-frequency electronic devices.

This graphene wafer contains more than 22,000 devic! es and test structures.


This graphene wafer contains more than 22,000 devices and test structures.


As the first group in the world, researchers from Chalmers will build up body parts using nanocellulose and the body's own cells. The researchers will build up a three-dimensional nanocellulose network that is an exact copy of the patient's healthy outer ear and construct an exact mirror image of the ear. It will have sufficient mechanical stability for it to be used as a bioreactor, which means that the patient's own cartilage and stem cells can be cultivated directly inside the body or on the patient, in this case on the head.

Scientists have great expectations that nanotechnologies will bring them closer to the goal of creating computer systems that can simulate and emul! ate the brain's abilities for sensation, perception, actio! n, inter action and cognition while rivaling its low power consumption and compact size. Researchers in France have now developed a hybrid nanoparticle-organic transistor that can mimic the main functionalities of a synapse.

Power-generating rubber films developed by Princeton University engineers could harness natural body movements such as breathing and walking to power pacemakers, mobile phones and other electronic devices. The material, composed of ceramic nanoribbons embedded onto silicone rubber sheets, generates electricity when flexed and is highly efficient at converting mechanical energy to electrical energy.

Phase transitions -- changes of matter from one state to another without altering its chemical makeup -- are an important part of life in our three-dimensional world. Water falls to the ground as snow, melts to a liquid and eventually vaporizes back to the clouds to begin the cycle anew.! Now a team of scientists has devised a new way to explore how such phase transitions function in less than three dimensions and at the level of just a few atoms. They hope the technique will be useful to test aspects of what until now has been purely theoretical physics, and they hope it also might have practical applications for sensing conditions at very tiny scales, such as in a cell membrane.

And finally a reference to an interesting conference where nanotechnology solutions certainly will find a role to play in coming up with answers to the "14 challenges the world must address to ensure the planet's survival".
 

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1/28 PHYSorg.com: Bio & Medicine News

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'Nanofactories': Stopping Bacterial Infections Without Antibiotics
January 28, 2010 at 5:43 AM
(PhysOrg.com) -- New research at the A. James Clark School of Engineering could prevent bacterial infections using tiny biochemical machines - nanofactories - that can confuse bacteria and stop them from spreading, without the use of antibiotics.
 

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From Aristotle to the Universal Core. An Introduction to Ontology

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From Aristotle to the Universal Core. An Introduction to Ontology


Training course in eight lectures by Barry Smith


This course is designed to be of interest to both philosophers and those with a background in computer and information science. No prior knowledge of ontology is presupposed. It is free for use in any way.

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Tech professor develops new technique (WLUC Marquette)

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A physics professor at Michigan Tech has developed a new technique to make a highly valuable substance in the world of nanotechnology.

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World's Smallest Hot Rod Made Using Nanotechnology (LiveScience.com via Yahoo! News)

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Researchers have built a new super-small "nanodragster" that improves on prior nanocar designs and could speed up efforts to craft molecular machines.

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NIGMS article: What is an ontology?

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Stephanie Dutchen from the National Institute of General Medical Sciences (NIGMS) writes on “What is an ontology” explaining how ontologies can be used to organize biological knowledge by providing a common vocabulary for scientists in different organizations and specialties and by representing the relationships between terms providing added knowledge.

Click here to read the full article.

To learn more about ontologies, review the NCBO Educational Materials and BioPortal, a library of biomedical ontologies. 

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