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Tuesday, October 14, 2014

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News

Living near major roads may increase risk of sudden cardiac death in women

Posted: 13 Oct 2014 04:06 PM PDT

Living near a major road was associated with an increased risk of sudden cardiac death in women. Environmental exposure may increase heart disease risk as much as smoking, poor diet or obesity.

NASA prepares its science fleet for Oct. 19 Mars comet encounter

Posted: 13 Oct 2014 01:07 PM PDT

NASA's extensive fleet of science assets, particularly those orbiting and roving Mars, have front row seats to image and study a once-in-a-lifetime comet flyby on Sunday, Oct. 19. Comet C/2013 A1, also known as comet Siding Spring, will pass within about 87,000 miles (139,500 kilometers) of the Red Planet -- less than half the distance between Earth and our moon and less than one-tenth the distance of any known comet flyby of Earth.

First observation of atomic diffusion inside bulk material

Posted: 13 Oct 2014 08:23 AM PDT

Researchers have obtained the first direct observations of atomic diffusion inside a bulk material. The research could be used to give unprecedented insight into the lifespan and properties of new materials.

Magnetic superconductor: Strange bedfellows

Posted: 13 Oct 2014 07:41 AM PDT

Chemists have synthesized a ferromagnetic superconducting compound that is amenable to chemical modification, opening the route to detailed studies of this rare combination of physical properties.

Bio-inspired 'nano-cocoons' offer targeted drug delivery against cancer cells

Posted: 13 Oct 2014 07:39 AM PDT

Biomedical engineering researchers have developed a drug delivery system consisting of nanoscale "cocoons" made of DNA that target cancer cells and trick the cells into absorbing the cocoon before unleashing anticancer drugs.

Tailored flexible illusion coatings hide objects from detection

Posted: 13 Oct 2014 06:06 AM PDT

Developing the cloak of invisibility would be wonderful, but sometimes simply making an object appear to be something else will do the trick, according to electrical engineers.

'Smart' lithium-ion battery warns of fire hazard

Posted: 13 Oct 2014 06:05 AM PDT

Scientists have developed a 'smart' lithium-ion battery that gives ample warning before it overheats and bursts into flames. The new technology is designed for conventional lithium-ion batteries now used in billions of cellphones, laptops and other electronic devices, as well as a growing number of cars and airplanes.

Ultra-fast charging batteries that can be 70% recharged in just two minutes

Posted: 13 Oct 2014 06:04 AM PDT

Scientists have developed a new battery that can be recharged up to 70 per cent in only 2 minutes. The battery will also have a longer lifespan of over 20 years. Expected to be the next big thing in battery technology, this breakthrough has a wide-ranging impact on many industries, especially for electric vehicles which are currently inhibited by long recharge times of over 4 hours and the limited lifespan of batteries.

Balancing renewable energy costs and optimizing energy mix

Posted: 13 Oct 2014 06:04 AM PDT

Increasing reliance on renewable energies is the way to achieve greater carbon dioxide emission sustainability and energy independence. As such energies are yet only available intermittently and energy cannot be stored easily, most countries aim to combine several energy sources. Scientists have now come up with an open source simulation method to calculate the actual cost of relying on a combination of electricity sources.

2014 Nobel Prize in Economics: Market power and regulation

Posted: 13 Oct 2014 06:03 AM PDT

The Royal Swedish Academy of Sciences has decided to award The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel for 2014 to Jean Tirole of Toulouse 1 Capitole University, France, "for his analysis of market power and regulation."

Variable glass coatings to stop condensation on windows

Posted: 13 Oct 2014 06:02 AM PDT

Thin-film coatings impart new properties to glass in applications as diverse as window glazing, solar cells and touchscreens. With the Megatron® sputtering system, it is now possible for the first time to vary the materials in these coatings in any way and to produce entirely new coatings with improved surface quality.

Lead-free glass decor

Posted: 13 Oct 2014 06:02 AM PDT

Whether on baby bottles, beer mugs or perfume bottles, imprints on glass consist mainly of lead oxide. Researchers have developed printing inks for glass that do not contain any toxic elements.

Antibiotic resistance: Bacterial defense policies

Posted: 13 Oct 2014 06:02 AM PDT

High-resolution cryo-electron microscopy has now revealed in unprecedented detail the structural changes in the bacterial ribosome which results in resistance to the antibiotic erythromycin.

Programming computers in everyday language

Posted: 13 Oct 2014 06:02 AM PDT

Computers speak a language of their own. They can only be programmed by those, who know the code. Computer scientists are now working on software that directly translates natural language into machine-readable source texts. In this way, users may generate own computer applications in a few sentences. The challenge to be managed is that people do not always describe processes in a strictly chronological order. A new analysis tool serves to automatically order the commands in the way they are to be executed by the computer. 

Demand high for engineers in Midwest

Posted: 10 Oct 2014 10:43 AM PDT

Engineering students preparing to take their sheepskin and depart into the world of change orders and service requests are finding no shortage of companies wanting to take their resumes.

Inner workings of powerful biochemical switch revealed

Posted: 10 Oct 2014 05:37 AM PDT

Using X-rays and neutron beams, a new study has revealed the inner workings of a master switch that regulates basic cellular functions, but that also, when mutated, contributes to cancer, cardiovascular disease and other deadly disorders.

Special chromosomal structures control key genes

Posted: 09 Oct 2014 09:49 AM PDT

Scientists have long theorized that the way in which the roughly three meters of DNA in a human cell is packaged to fit within a nuclear space just six microns wide, affects gene expression. Now, researchers present the first evidence that DNA structure does indeed have such effects -- in this case finding a link between chromosome structure and the expression and repression of key genes.

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