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Tuesday, February 3, 2015

ScienceDaily: Engineering and Construction News

ScienceDaily: Engineering and Construction News

Computer chips: Engineers use disorder to control light on the nanoscale

Posted: 02 Feb 2015 01:07 PM PST

A breakthrough could lead to the more precise transfer of information in computer chips, as well as new types of optical materials for light emission and lasers.

Winding borders may enhance graphene

Posted: 02 Feb 2015 11:11 AM PST

Theoretical physicists show precise control of grain boundaries in graphene may give it predictable mechanical and semiconducting properties.

To save your energy while strolling, walk this sway

Posted: 02 Feb 2015 11:10 AM PST

The first people to walk across the original Millennium Bridge may have been unnerved when it began to sway, but the bridge was actually doing them a favor: the swaying enabled them to walk the distance with 5 percent less effort, a new study shows.

Wrinkle predictions: New mathematical theory may explain patterns in fingerprints, raisins, and microlenses

Posted: 02 Feb 2015 10:26 AM PST

As a grape slowly dries and shrivels, its surface creases, ultimately taking on the wrinkled form of a raisin. Similar patterns can be found on the surfaces of other dried materials, as well as in human fingerprints. While these patterns have long been observed in nature, and more recently in experiments, scientists have not been able to come up with a way to predict how such patterns arise in curved systems, such as microlenses.

Graphene displays clear prospects for flexible electronics

Posted: 02 Feb 2015 08:43 AM PST

Semi-transparent, flexible electronics are no longer just science-fiction thanks to graphene's unique properties, researchers have found. Researchers now show that new 2D 'designer materials' can be produced to create flexible, see-through and more efficient electronic devices.

Non-damaging, efficient sterilization: Plasma sterilizer for medical, aerospace applications

Posted: 02 Feb 2015 05:07 AM PST

Traditional sterilization methods are no longer effective against all pathogens. By means of plasma, on the other hand, exceptionally stubborn bacteria stems can be killed off, researchers have demonstrated. A new sterilizer that is specifically suited for ridding medical instruments of germs efficiently, yet without damaging the material, has been developed and may also have applications for the aerospace industry.

Novel technology could combat flight pollution

Posted: 02 Feb 2015 05:06 AM PST

A breakthrough propulsion technology to provide greener air transport could be developed after the underlying engineering was declared a success.

Transforming biochar into activated carbon

Posted: 30 Jan 2015 09:16 AM PST

It's about transforming corn stover, dried distillers grain solids and even native grasses into a product more than 1,000 times more valuable--graphene. A team of researchers is converting biochar into graphene which they hope can one day be used in place of expensive, activated carbon to coat the electrodes of supercapacitors.

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