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Posts

May 21, 2013

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3:24 PM | Arranging nanoparticles in geometric patterns allows for control of light with light
Rice University scientists have unveiled a robust new method for arranging metal nanoparticles in geometric patterns that can act as optical processors that transform incoming light signals into output of a different color.
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2:18 PM | How gold nanoparticles can help fight ovarian cancer
Positively charged gold nanoparticles are usually toxic to cells, but cancer cells somehow manage to avoid nanoparticle toxicity. Mayo Clinic researchers found out why and determined how to make the nanoparticles effective against ovarian cancer cells.
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2:00 PM | Farewell to Herschel: the space infrared telescope closes its eyes
Almost four years after being launched to space, the Herschel Space Observatory ran out of helium the past April 29. This implied losing the ability […] Read moreThe post Farewell to Herschel: the space infrared telescope closes its eyes appeared first on Mapping Ignorance.
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10:28 AM | A new type of laser
Physicists have succeeded in creating a new type of laser. Its operation principle is completely different from conventional devices, which opens up the possibility of a significantly reduced energy input requirement.
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10:12 AM | Hubble finds dead stars “polluted” with planetary debris
The NASA/ESA Hubble Space Telescope has found signs of Earth-like planets in an unlikely place: the atmospheres of a pair of burnt-out stars in a nearby star cluster. The white […]
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8:34 AM | Nanotechnology surface architecture for bio applications
Surface nanoarchitecture provides spatially and temporally resolved stimuli response of the material, and offers defi ned control over the behavior of biomolecules and cells at the solid-liquid interface.
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8:09 AM | Self-assembled functionalized nanowires using multiple modified amyloid peptides
Researchers have successfully developed a new technique for efficiently creating functionalized nanowires for the first time ever. The group focused on the natural propensity of amyloid peptides, molecules which are thought to cause Alzheimer's disease, to self-assemble into nanowires in an aqueous solution and controlled this molecular property to achieve their feat.
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8:03 AM | SanDisk Advances Its 1Y nm Manufacturing Technology With 19 nm Process
SanDisk Corporation today announced it has begun customer sampling of flash memory products based on its industry-leading 1Ynm process technology, which represents its second generation 19 nanometer manufacturing technology.
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8:00 AM | Charge!
Teen’s invention could charge your phone in 20 seconds Waiting hours for a cellphone to charge may become a thing of the past, thanks to an 18-year-old high-school student’s invention. She won a $50,000 prize Friday at an international science fair for creating an energy storage device that can be fully juiced in 20 to [...]
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8:00 AM | Coordinate Transformation, OMG Edition
Solving 3 Rubik’s Cubes…while juggling them.
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7:59 AM | JPK Reports on Single Molecule rResearch at IISER Pune Using AFM and CellHesion Techniques
JPK Instruments, a world-leading manufacturer of nanoanalytic instrumentation for research in life sciences and soft matter, reports on the work of the Nano-Mechanics Laboratory at the Indian Institute of Science Education and Research (IISER) Pune, India.
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7:52 AM | The April issue of Nanotech Insights newsletter is now available
The April 2013 issue of Nanotech Insights, a quarterly newsletter dedicated to the field of nanoscience and nanotechnology, is now available from CKMNT.
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6:00 AM | Imec and GLOBALFOUNDRIES to Develop High-Density Memory Technology
STT-MRAM offers enhanced performance and scalability for embedded and standalone applications.
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4:21 AM | The Kaye effect after dark!
I’ve talked in some detail before about the Kaye effect, in which a shear-thinning fluid such as shampoo or liquid soap can be made to “bounce.”  Well, I did one final experiment with the Kaye effect, in order to show … Continue reading →
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4:02 AM | What does electricity cost?
 I was at a local intermediate school this morning, talking to a group of students about energy. It's a pretty broad topic, and they were very enthusiastic, meaning I only got through about half of what I wanted, but that's OK. If it inspires them...

May 20, 2013

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9:37 PM | Stem cells 2.0
It's been a divisive issue for as long as it's existed, but the topic of human embryonic cloning has been thrust back into the spotlight this week with the news that researchers in the US have successfully produced human embryonic stem cells (hESCs) from adult cells for the first time. This is big news because hESCs have the potential, in theory, to become any type of adult cell - opening the possibility for repairing damaged tissues in previously unthinkable ways. Neatly, this was […]
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9:36 PM | The Valentine's Day Magnetic Monopole
There's an assymetry to the form of the two Maxwell's equations shown in picture 1.  While the divergence of the electric field is proportional to the electric charge density at a given point, the divergence of the magnetic field is equal to zero.  This is typically explained in the following way.  While we know that electrons, the fundamental electric charge carriers exist, evidence seems to indicate that magnetic monopoles, the particles that would carry […]

Cabrera B. (1982). First Results from a Superconductive Detector for Moving Magnetic Monopoles, Physical Review Letters, 48 (20) 1378-1381. DOI:

Friseh H.J. (1990). Quest for magnetic monopoles, Nature, 344 (6268) 706-707. DOI:

Citation
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9:12 PM | Sixty Symbols: The Arrow of Time
Completing an action-packed trilogy that began with quantum mechanics and picked up speed with the Higgs boson, here I am talking with Brady Haran of Sixty Symbols about the arrow of time. If you’d like something more in-depth, I can … Continue reading →
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7:32 PM | Researchers perform fastest measurements ever made of ion channel proteins
A team of researchers at Columbia Engineering has used miniaturized electronics to measure the activity of individual ion-channel proteins with temporal resolution as fine as one microsecond, producing the fastest recordings of single ion channels ever performed.
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7:31 PM | Telling Stellar Stories
What are digital stories and how do you tell them? At a recent exhibit at Brown University, that topic was examined in a few different ways. One of the stories shown was a large screen version of images and text selected out of the "From Earth to the Universe" (FETTU) collection. FETTU is a Chandra-led project of astronomical image exhibits that began in the International Year of Astronomy in 2009 but has remained as a legacy project of public science. The location types of the FETTU […]
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7:30 PM | NASA Astrobiology Roadmap 5: Planetary Conditions for Life
The final session in the online discussion of the NASA Astrobiology Roadmap is today from 4-5 pm eastern. Go to Astrobiology Future to sign in to the live web chat. Questions and comments will be taken both from call-ins and from written questions. The online discussion will be moderated by Dr Francis McCubbin from UNM,…
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7:26 PM | Non-wetting fabric drains sweat (w/video)
Waterproof fabrics that whisk away sweat could be the latest application of microfluidic technology developed by bioengineers at the University of California, Davis.
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7:26 PM | Iron-platinum alloys could be new-generation hard drives
UC Davis researchers have found a convenient way to make layered iron-platinum alloys and tailor their properties, a promising material for a potential new generation of data storage media.
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7:07 PM | NASA Astrobiology Roadmap 4: Early Evolution of Life and the Biosphere
Astrobiology Future The NASA online discussion session on the Astrobiology Roadmap continues this week. This morning there was a web chat on “Early Evolution of Life and the Biosphere”, which is being followed up by an ongoing online discussion on the questions posed and soliciting ideas for priorities in research direction. The questions being discussed…
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7:00 PM | The Fast and the Furious
High-energy observations have strongly changed our view of isolated neutron stars, showing that these objects appear in a large variety of different classes and can exhibit substantial variability on time […]
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6:22 PM | Inkjet-printed graphene opens the door to foldable electronics
Researchers develop method to print highly conductive, bendable layers of graphene.
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5:39 PM | How to Sell a Particle Accelerator: Positron-Electron Love Explosions
While the discoveries and excitement surrounding the LHC have started to cool down, a new contender in particle physics is emerging. Over 2000 scientists are currently working on one of two competing particle accelerator proposals: the International Linear Collider (ILC) and the Compact Linear Collider (CLiC). Both projects would smash electrons and their antimatter counterparts — positrons — at speeds nearing the speed of light. The LHC, on the other hand, primarily smashes heavier […]
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5:00 PM | RICAP13 on Astro-Particle Physics
RICAP-13 will be the fourth edition of the RICAP Conference. The acronym stands for Roma International Conference on Astro-Particle physics, the Conference is entirely dedicated to the study of high […]
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4:30 PM | New advance in nanotechnology gene sequencing technique
Researchers have used solid-state nanopores to differentiate single-stranded DNA molecules containing sequences of a single repeating base.
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2:41 PM | Getting Ready for DAC
DAC is in Austin this year, and I’ll be headed over from College Station to check out the latest and greatest in functional verification technology. I haven’t attended DAC since 2007 and I can’t wait to see how things have … Continue reading →
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