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Engineering News
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Today's engineering headlines from the sources selected by our team:

Defects in atomically thin semiconductor emit single photons
Researchers have shown that defects on an atomically thin semiconductor can produce light-emitting quantum dots. The quantum dots serve as a source of single photons and could be useful for the integration of quantum photonics with solid-state electronics -- a combination known as integrated photonics.
Matter & Energy News -- ScienceDaily, Mon, 04 May 2015 19:02:55 GMT

Lens turns smartphone into a microscope: Costs only 3 cents
Researchers have created an optical lens that can be placed on an inexpensive smartphone to magnify images by a magnitude of 120, all for just 3 cents a lens.
Matter & Energy News -- ScienceDaily, Mon, 04 May 2015 19:02:55 GMT

The random raman laser: A new light source for the microcosmos
Researchers have demonstrated for the first time that a newly emerging technique known as random Raman lasing emission can produce a bright, speckle-free, strobe light source with potential application in high-speed wide-field microscopy.
Matter & Energy News -- ScienceDaily, Mon, 04 May 2015 19:02:55 GMT

Electricity Use Could Soar as Global Middle Class Embraces Air Conditioning
As incomes rise, so does the demand for cooling. Can developing world grids handle it?

As incomes rise, so does the demand for cooling. Can developing world grids handle it?
IEEE Spectrum Recent Content, Mon, 04 May 2015 19:02:56 GMT

Lessons Learned Along Europe’s Road to Renewables
Denmark, Portugal, and Spain have all made a rapid transition away from fossil fuels for electricity, but each in a different way

Denmark, Portugal, and Spain have all made a rapid transition away from fossil fuels for electricity, but each in a different way
IEEE Spectrum Recent Content, Mon, 04 May 2015 19:02:56 GMT

Has Germany’s Energy Transition Stalled?
The country’s huge expansion into solar, wind, and other renewables has not been entirely smooth

The country’s huge expansion into solar, wind, and other renewables has not been entirely smooth
IEEE Spectrum Recent Content, Mon, 04 May 2015 19:02:56 GMT

Perovskite flaws can improve solar device efficiency
Researchers have demonstrated that perovskite materials contain flaws that can be engineered to improve solar devices. 
The Engineer - News, Mon, 04 May 2015 19:02:56 GMT

42 Technology wins funding to develop reconfigurable railway carriage
A railway carriage that can be reconfigured to carry passengers or freight is one of three designs sharing £2.2m to develop next generation rolling stock.
The Engineer - News, Mon, 04 May 2015 19:02:56 GMT

Morphing wing technology completes initial flight tests
NASA researchers have completed initial flight tests of a new morphing wing technology that could reduce fuel costs, airframe weight and decrease aircraft noise during take-offs and landings.
The Engineer - News, Mon, 04 May 2015 19:02:56 GMT

ESA selects Skeleton Technologies' ultracapacitor for space mission
The European Space Agency has chosen a new ultracapacitor energy storage technology that increases safety while reducing weight and costs for a possible mission in 2018.
The Engineer - News, Mon, 04 May 2015 19:02:56 GMT

Real stereotypes continue to exist in virtual worlds
(Penn State) Stereotypes related to gender and appearance that burden women in the real world could follow them into virtual ones, according to researchers.
EurekAlert! - Technology, Engineering and Computer Science, Mon, 04 May 2015 19:02:56 GMT

INFORMS journal study finds double-digit growth for firms creating own online communities
(Institute for Operations Research and the Management Sciences) A new study published in Marketing Science, a journal of the Institute for Operations Research and the Management Sciences, shows double-digit revenue growth for firms that create their own brand-specific online communities. The study, Social Dollars: The Economic Impact of Customer Participation in a Firm-Sponsored Online Customer Community, is by professors Puneet Manchanda of the University of Michigan, Grant Packard of Wilfrid Laurier University, and Adithya Pattabhiramaiah of the Georgia Institute of Technology.
EurekAlert! - Technology, Engineering and Computer Science, Mon, 04 May 2015 19:02:56 GMT

Recurrence of prostate cancer detected earlier with innovative PSMA-ligand PET/CT
(Society of Nuclear Medicine) A recent study reported in The Journal of Nuclear Medicine compared use of the novel Ga-68-PSMA-ligand PET/CT with other imaging methods and found that it had substantially higher detection rates of prostate-specific membrane antigen in patients with biochemical recurrence after radical prostatectomy. It is especially noteworthy that this hybrid PSMA-ligand identified a large number of positive findings in the clinically important range of low PSA-values (<0.5ng/mL).
EurekAlert! - Technology, Engineering and Computer Science, Mon, 04 May 2015 19:02:56 GMT

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The Engineer Online
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