Race car boost horsepower with 3D printing

HTW Motorsport has used Stratasys 3D printing technology to improve cost and workflow efficiencies, as well as increased on-track performance, for its Formula-type race car, says the printing and manufacturing company.

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http://www.eurekamagazine.co.uk/design-engineering-news/race-car-boost-horsepower-with-3d-printing/75408/

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Engineering students use sound waves to put out fires

Two engineering students at George Mason University have found a way to use sound waves to quash fires and have built a type of extinguisher using what they have learned that they hope will revolutionize fire fighting technology. Viet Tran a computer engineering major and Seth Robertson, an electrical engineering major, chose to investigate the possibility of using sound to put out fires as a senior research project and now believe they have found something that might really work.

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Read more at: http://phys.org/news/2015-03-students.html#jCp