Disturbing a material's crystal lattice can create a charge imbalance that leads to a voltage across the material. This phenomena, called the "piezoelectric effect," was first demonstrated in 1880 by Jacques and Pierre Curie ...
Condensed Matter
Sep 30, 2015
0
37
Each year, about 48 million Americans are sickened by foodborne diseases, and 3,000 die, according to the U.S. Centers for Disease Control and Prevention. One factor that limits widespread testing of foods for toxins that ...
Analytical Chemistry
Sep 30, 2015
0
13
Europe has a leading position in technologies for clean manufacturing, but significant efforts are needed to lower investment costs and encourage factory managers to adopt energy-efficient innovations.
Energy & Green Tech
Sep 30, 2015
0
31
Are computer games for learning or just for fun? That's the question Hiller Spires, NC State professor of literacy and technology, tackles in a commentary for the Journal of Adolescent and Adult Literacy.
Social Sciences
Sep 30, 2015
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96
Levels of "background ozone"—ozone pollution present in a region but not originating from local, human-produced sources—are high enough in Northern California and Nevada that they leave little room for local ozone production ...
Environment
Sep 30, 2015
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11
Consider the plastic foam cup. Every year, Americans throw away 2.5 billion of them. And yet, that waste is just a fraction of the 33 million tons of plastic Americans discard every year. Less than 10 percent of that total ...
Environment
Sep 30, 2015
2
17454
Diseases may spread faster in birds that visit bird feeders frequently, according to new research from an Iowa State University ecologist.
Plants & Animals
Sep 30, 2015
0
43
In order to be able to detect planets comparable to Earth, the CHEOPS satellite, which will be sent into orbit at the end of 2017, must be able to measure the luminosity of a star with inimitable accuracy. In order to test ...
Astronomy
Sep 30, 2015
0
41
Mention the word 'teleportation' and for many people it conjures up "Beam me up, Scottie" images of Captain James T Kirk. But in the last two decades quantum teleportation – transferring the quantum structure of an object ...
Quantum Physics
Sep 30, 2015
2
4133
How can overloads on the Internet be prevented? Cloud computing means that more server space can be rented from large computing resources. Ahmed Hassan has developed algorithms for automatic addition and removal of server ...
Computer Sciences
Sep 30, 2015
0
20
