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New 'nano-positioners' may have atomic-scale precision

Aug 20, 2008 | User rating: 4.4 / 5 after 10 vote(s) | pda version

Engineers have created a tiny motorized positioning device that has twice the dexterity of similar devices being developed for applications that include biological sensors and more compact, powerful computer ...


Key advance toward 'micro-spacecraft'

Aug 19, 2008 | User rating: 4.9 / 5 after 20 vote(s) | pda version

Fleets of inexpensive, pint-sized spacecraft are one giant leap closer to lift off. Researchers here at the 236th National Meeting of the American Chemical Society describe a new, razor thin temperature-regulating ...


Controlling the size of nanoclusters

Aug 19, 2008 | User rating: 3 / 5 after 1 vote(s) | pda version

Melissa Patterson, a W. Burghardt Turner Fellow at Stony Brook University (SBU), will give a talk at the American Chemical Society's national meeting in Philadelphia on controlling the size of nanoclusters, research she performed ...


Iran launches home-built satellite rocket

Aug 17, 2008 | User rating: 4 / 5 after 16 vote(s) | pda version

Iran said it had launched a rocket carrying a test-satellite into space on Sunday, in a move that could further exacerbate tensions with the West over its nuclear drive.


Heads-up study of hair dynamics may lead to better hair-care products

Aug 17, 2008 | User rating: 3 / 5 after 3 vote(s) | pda version

From frizzy perms to over-bleached waves, "bad hair days" could soon become a less frequent occurrence. Chemists report the first detailed microscopic analysis of what happens to individual hair fibers when ...


Improved technique determines structure in membrane proteins

Aug 17, 2008 | User rating: 3.7 / 5 after 3 vote(s) | pda version

Understanding the form and function of certain proteins in the human body is becoming faster and easier, thanks to the work of researchers at the University of Illinois.


True properties of carbon nanotubes measured

Aug 15, 2008 | User rating: 4.5 / 5 after 17 vote(s) | pda version

For more than 15 years, carbon nanotubes (CNTs) have been the flagship material of nanotechnology. Researchers have conceived applications for nanotubes ranging from microelectronic devices to cancer therapy. Their atomic ...


Phoenix Microscope Takes First Image of Martian Dust Particle

Aug 14, 2008 | User rating: 3.8 / 5 after 18 vote(s) | pda version

(PhysOrg.com) -- NASA's Phoenix Mars Lander has taken the first-ever image of a single particle of Mars' ubiquitous dust, using its atomic force microscope.


Northwestern chemists take gold, mass-produce Beijing Olympic logo

Aug 14, 2008 | User rating: 3 / 5 after 9 vote(s) | pda version

Northwestern University nanoscientist Chad A. Mirkin has mass-produced the 2008 Summer Olympics logo -- 15,000 times. All the logos take up only one square centimeter of space.


New theory for latest high-temperature superconductors

Aug 13, 2008 | User rating: 4.1 / 5 after 44 vote(s) | pda version

Physicists from Rice and Rutgers universities have published a new theory that explains some of the complex electronic and magnetic properties of iron "pnictides." In a series of startling discoveries this spring, pnictides ...


Scientists overcome nanotech hurdle

Aug 13, 2008 | User rating: 4.3 / 5 after 18 vote(s) | pda version

When you make a new material on a nanoscale how can you see what you have made? A team lead by a Biotechnology and Biological Sciences research Council (BBSRC) fellow has made a significant step toward overcoming this major ...


Mutant plants can boost yields, resistance: IAEA conference

Aug 12, 2008 | User rating: 3.8 / 5 after 8 vote(s) | pda version

Against a backdrop of global food and energy crises, the UN atomic watchdog opened a four-day conference Tuesday on ways of using radiation to improve crop yields and resistance.


Scientists develop the world's thinnest balloon

Aug 11, 2008 | User rating: 4.6 / 5 after 25 vote(s) | pda version

(PhysOrg.com) -- Researchers in New York are reporting development of the world's thinnest balloon, made of a single layer of graphite just one atom thick. This so-called graphene sealed microchamber is impermeable ...


Forum features update on next-generation particle accelerator

Aug 08, 2008 | User rating: 4.4 / 5 after 8 vote(s) | pda version

The particle accelerator known as the Energy Recovery Linac (ERL) -- now in planning stages at Cornell -- would open doors to new research in fields from materials science to biochemistry, said Georg Hoffstaetter in a lecture ...


Now That's Cool: Engineers Out to Thaw the Mysteries of Ice

Aug 07, 2008 | User rating: 4 / 5 after 23 vote(s) | pda version

(PhysOrg.com) -- "Ye canna change the laws of physics!" Scotty warned Captain Kirk on Star Trek. But engineers and physicists at the University of Maryland may rewrite one of them.


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