Posts

October 29, 2014

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3:23 PM | Saving lots of computing capacity with a new algorithm  
The control of modern infrastructure such as intelligent power grids […]
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3:20 PM | Smoke and haze over China
Smoke and haze hang over a large portion of eastern […]
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3:11 PM | 'Electronic skin' from nanoparticles could improve early breast cancer detection
For detecting cancer, manual breast exams seem low-tech compared to other methods such as MRI. But scientists are now developing an 'electronic skin' that 'feels' and images small lumps that fingers can miss. Knowing the size and shape of a lump could allow for earlier identification of breast cancer, which could save lives.
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3:06 PM | Microrockets fueled by water neutralize chemical and biological warfare agents
With fears growing over chemical and biological weapons falling into the wrong hands, scientists are developing microrockets to fight back against these dangerous agents, should the need arise. In a new paper, they describe new spherical micromotors that rapidly neutralize chemical and biological agents and use water as fuel.
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3:00 PM | Alzheimer’s disease: 3D culture system brings hope to drug discovery
Alzheimer’s disease (AD) is one of the most devastating human pathologies. AD is the leading cause of age-related dementia and currently afflicts more than 44 […] Read more The post Alzheimer’s disease: 3D culture system brings hope to drug discovery appeared first on Mapping Ignorance. Related posts:Mapping areas involved in voluntary forgetting is not simple... it is double! Ingredients for a synaptic cocktail A new type of spontaneous activity in the brain identified
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2:57 PM | The Science of Interstellar
The intersection — maybe the union! — of science and sci-fi geekdom is overcome with excitement about the upcoming movie Interstellar, which opens November 7. It’s a collaboration between director Christopher Nolan and physicist Kip Thorne, both heroes within their … Continue reading →
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2:16 PM | Gigantic sunspot AR 2192
Observed object: Sun and sunspot group AR 2192 Date: 27.10.2014 Time: 12:00 UT Observing site: Kuusamo, Finland Instrument: Canon EOS 1100D, 4” refractor During couple of last weeks, a magnificent sunspot group, named AR 2192 was growing in the surface of the Sun. This sunspot group was largest in more than 20 years, and it […]
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1:13 PM | Rocket Science…
“As soon as we understand the cause we will begin the necessary work to return to flight to support our customers and the nation’s space program.” – Frank Culbertson, Orbital Sciences Corporation‘s Executive Vice President in a Oct 28 press release at Orbital.com. Photo of #Antares rocket exploding just after launch from @NASA_Wallops on Wallops […]
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1:03 PM | Conceptual Physics Halloween Costumes 2014
A fine if somewhat intermittent tradition hereabouts has been the offering of high-concept Halloween costumes for people interested in physics, surfacing in 2010, 2012, and 2013. I’m a little too fried right now to do anything all that deep, but I’ll try to offer a few suggestions; see also these particle-physics suggestions from Symmetry magazine,…
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1:03 PM | Failure Is Always An Option
Do not try this at home. A Russian Proton-M launch goes wrong – and it can happen to anyone (wait for the shock wave). A rocket is a controlled bomb. The fully fueled Saturn V ‘moon... -- Read more on ScientificAmerican.com
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12:34 PM | New solar power nanotechnology material converts 90 percent of captured light into heat
A multidisciplinary engineering team developed a new nanoparticle-based material for concentrating solar power plants designed to absorb and convert to heat more than 90 percent of the sunlight it captures. The new material can also withstand temperatures greater than 700 degrees Celsius and survive many years outdoors in spite of exposure to air and humidity.
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12:30 PM | Shaking up cell biology: Researchers focus in on decades old mystery
Elvis did it, Michael Jackson did it, and so do […]
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12:27 PM | Arsenic in drinking water linked to 50% drop in breast cancer deaths
One typically does not hear talk of the health benefits […]
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12:25 PM | Nano ruffles in brain matter
Researchers decipher the role of nanostructures around brain cells in central nervous system function.
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12:23 PM | Obama airs concerns about Ebola quarantine policies
In the ongoing debate over levels of quarantine for health […]
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12:22 PM | Being Overweight May Be Deadlier Than We Think
The study was so explosive that an entire Harvard conference […]
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12:07 PM | How the air we breathe was created by Earth’s tectonic plates
How is it that Earth developed an atmosphere that made the development of life possible? A study published in the journal Nature Geoscience links the origins of Earth’s nitrogen-rich atmosphere to the same tectonic forces that drive mountain-building and volcanism on our planet. It goes some way to explaining why, compared to our nearest neighbours, […]
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11:18 AM | Wordless Wednesday: True Happiness
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11:15 AM | Nanosafety research: Are scientists on the right track?
Empa toxicologist Harald Krug has lambasted his colleagues in the journal Angewandte Chemie. He evaluated several thousand studies on the risks associated with nanoparticles and discovered no end of shortcomings: poorly prepared experiments and results that don't carry any clout. Instead of merely leveling criticism, however, Empa is also developing new standards for such experiments within an international network.
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11:00 AM | Stretching Silicon...
Courtesy: M M HussainA new way to stretch single-crystal silicon (which is a rigid, brittle, material) to 10 times its original length without using a polymer support has been developed by researchers at the King Abdullah University of Science and Technology (KAUST) in Saudi Arabia. The feat will be an important step towards making stretchable and foldable electronics and photovoltaics, as well as structures like “smart skin” for robotics applications and biomedical […]
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8:35 AM | A nano-thermodynamic look at gold-copper alloys
Gold-copper alloys are very popular catalysts in nanotechnology, for instance to efficiently convert carbon dioxide or to help fabricate a more powerful and longer lasting fuel cell material. This alloy exhibits novel physical and chemical properties at the nanoscale. Although the Au-Cu alloy has been extensively studied in the literature both at the bulk and nanoscales, the prediction of phase diagrams at the nanoscale has been missing. A new paper present sthe phase diagram of Au-Cu at the […]
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8:23 AM | Gold nanoparticle chains confine light to the nanoscale
Researchers have shown that crystalline gold nanoparticles aligned and then fused into long chains can be used to confine light energy down to the nanometer scale while allowing its long-range propagation.
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8:00 AM | Physics in the Cloud
One thing glossed over: Joe mentions that the muons are undergoing time dilation by some factor, which allows a fraction of them to live long enough to reach earth, but in their own frame their clocks run normally. How can that work? The missing piece is that the muons see their travel as length contracted [...]
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7:02 AM | Imec, Coventor Partner to Drive Advanced CMOS Process Development Through Virtual Fabrication
Imec researchers using Coventor's SEMulator3D platform to model and optimize 7nm manufacturing technology.
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6:46 AM | Imaging of electrons moving around at 80,000m per second in semiconductor
Researchers succeeded in direct observation and video imaging of electron flow at 80,000m per second in a semiconductor. They did so by combining a new laser pulse light source and a photoemission electron microscope (PEEM) to develop an ultra high-speed microscope that enabled visualization of electrons on a 20 nanometer and 200 femtosecond scale.
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4:00 AM | Ancora domande aperte sul quark-top
In un post dello scorso mese di Febbraio, ho pubblicato la notizia relativa ad un metodo trovato dai fisici che lavorano agli esperimenti CDF e DZero presso il Fermi National Accelerator Laboratory che ha permesso di produrre un quark-top attraverso l’interazione debole. Oggi, dopo quasi 20 anni dalla sua scoperta, avvenuta proprio al Fermilab nel 1995, gli scienziati sono ancora […]
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4:00 AM | Creating the Coldest Cubic Meter in the Universe
A forthcoming neutrino detector will require temperatures approaching absolute zero.
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4:00 AM | New Lab Startup Afingen Uses Precision Method to Enhance Plants
Berkeley Lab breakthrough can lead to cheaper biofuels, improved crops, and new products from plants.
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1:45 AM | Toddler does physics-art
As we all know, a scientifically-minded toddler plus a piece of technology can lead to unexpected results. This is the result of Benjamin playing with a retractable steel tape measure at the weekend. How we came to break the case apart I don't know, but the results are pretty (the cellphone shot in poor light doesn't do justice to the artwork):      I like the koru-shape made by the end. The measure has curled itself into a complicated form rather reminiscent of a […]

October 28, 2014

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9:16 PM | Human ancestor Lucy celebrates 40th anniversary
Paleoanthropologist Donald Johanson recalls the discovery 40 years ago of the human ancestor known as Lucy.
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