ScienceDaily: Top Technology News

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• Pressure cooking to improve electric car batteries
• Optimizing electronic correlations for superconductivity
• Researchers use simple scaling theory to better predict gas production in barnett shale wells
• A superconductor-surrogate earns its stripes
• SlipChip counts molecules with chemistry and a cell phone
• Deep-space radiation hazards documented and quantified
• After 84 years, von Neumann-Day math problem finally solved
• Refined materials provide booster shot for solar energy conversion
• New 5-D method to understand big data
• Graphene nanoribbons with nanopores created for fast DNA sequencing
• Graphene: Minor rotation of 'chicken wire' has major consequences
• DIY and save: A scientist's guide to making your own lab equipment
• Evidence found for granite on Mars: Red Planet more more geologically complex than thought
• World's smallest FM radio transmitter
• Digital radio requires high data rate

Pressure cooking to improve electric car batteries Posted: 18 Nov 2013 01:00 PM PST Researchers have redesigned the component materials of the battery in an environmentally friendly way to solve some of the problems associated with electric car batteries. By creating nanoparticles with a controlled shape, they believe smaller, more powerful and energy efficient batteries can be built.

Optimizing electronic correlations for superconductivity Posted: 18 Nov 2013 01:00 PM PST Researchers find that electrons teetering on the edge of free motion or stuck in place yield optimal superconductivity. Their work explains common characteristics between two different superconducting iron compounds and may help in the search for better "high-temperature" superconductors.

Researchers use simple scaling theory to better predict gas production in barnett shale wells Posted: 18 Nov 2013 01:00 PM PST Researchers have developed a simple scaling theory to estimate gas production from hydraulically fractured wells in the Barnett Shale. The method is intended to help the energy industry accurately identify low- and high-producing horizontal wells, as well as accurately predict how long it will take for gas reserves to deplete in the wells.

A superconductor-surrogate earns its stripes Posted: 18 Nov 2013 11:18 AM PST Understanding superconductivity -- whereby certain materials can conduct electricity without any loss of energy -- has proved to be one of the most persistent problems in modern physics. Now scientists have teased out another important tangle from this giant ball of string, bringing us a significant step closer to understanding how high-temperature superconductors work their magic.

SlipChip counts molecules with chemistry and a cell phone Posted: 18 Nov 2013 10:30 AM PST Limited access to expensive equipment and trained professionals can impede the diagnosis and treatment of disease. Qualitative tests that provide a "yes" or "no" answer (like at-home pregnancy tests) have been optimized for resource-limited settings, but most quantitative tests -- needed to determine precise concentrations, like viral loads -- are still done in a laboratory. Using a lab-on-a-chip device and a smartphone, researchers developed a method to determine the concentration of HIV RNA in a sample.

Deep-space radiation hazards documented and quantified Posted: 18 Nov 2013 10:30 AM PST Scientists have published comprehensive findings on space-based radiation as measured by a detector aboard NASA's Lunar Reconnaissance Orbiter. The data provide critical information on the radiation hazards that will be faced by astronauts on extended missions to deep space such as those to Mars.

After 84 years, von Neumann-Day math problem finally solved Posted: 18 Nov 2013 10:30 AM PST A famous math problem that has vexed mathematicians for decades has finally met an elegant solution. Mathematicians have now described a geometric solution for the von Neumann-Day problem, first described by mathematician John von Neumann in 1929.

Refined materials provide booster shot for solar energy conversion Posted: 18 Nov 2013 10:29 AM PST Researchers have set their sights on improving the materials that make solar energy conversion/photocatalysis possible. Together, they have developed a new form of high-performance solar photocatalyst based on the combination of the titanium dioxide and other "metallic" oxides that greatly enhance the visible light absorption and promote more efficient utilization of the solar spectrum for energy applications.

New 5-D method to understand big data Posted: 18 Nov 2013 10:24 AM PST Scientists have developed a new method to display large amounts of data in a color-coded, easy-to-read graph. Neuroscientists originally designed the method to interpret enormous amounts of data derived from their research on the human brain. The method, called a five dimensional (5D) colorimetric technique, is able to graph spatiotemporal data (data that includes both space and time), which has not previously been achieved. Until now, spatiotemporal problems were analyzed either from a spatial perspective or from a time-based approach.

Graphene nanoribbons with nanopores created for fast DNA sequencing Posted: 18 Nov 2013 08:19 AM PST Researchers have made an advance towards realizing a new gene sequencing technique based on threading DNA through a tiny hole in a layer of graphene. Earlier versions of the technique only made use of graphene's unbeatable thinness, but scientists now show how the material's unique electrical properties may be employed to make faster and more sensitive sequencing devices.

Graphene: Minor rotation of 'chicken wire' has major consequences Posted: 18 Nov 2013 07:24 AM PST Since the discovery of graphene, a great future has been predicted for the material, which is strong and highly conductive. The just one atom layer thick carbon can lead to new electronics. Examples include printable and flexible electronics, touch screens and OLEDs. For this, interaction with other materials is necessary, however. Researchers have now examined what happens at the interface with other materials and have thus brought graphene electronics a step closer.

DIY and save: A scientist's guide to making your own lab equipment Posted: 18 Nov 2013 07:22 AM PST Joshua Pearce has penned a how-to book on the open-source 3-D printing technology that could revolutionize how science is done all over the world.

Evidence found for granite on Mars: Red Planet more more geologically complex than thought Posted: 18 Nov 2013 06:15 AM PST Researchers now have stronger evidence of granite on Mars and a new theory for how the granite -- an igneous rock common on Earth -- could have formed there, according to a new study. The findings suggest a much more geologically complex Mars than previously believed.

World's smallest FM radio transmitter Posted: 18 Nov 2013 06:15 AM PST Scientists have taken advantage of graphene's special properties —- its mechanical strength and electrical conduction —- and created a nano-mechanical system that can create FM signals, in effect the world's smallest FM radio transmitter.

Digital radio requires high data rate Posted: 18 Nov 2013 05:09 AM PST The digital radio DAB+ (Digital Audio Broadcast) must be assigned the capacity to broadcast with a high data rate, otherwise there is a risk for an inferior audio quality.

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