Problems still remain, including the natural bumps and irregularities that come from using an organic base, said Dr.Dennis Prather, an associate professor of electrical and computer engineering.

然而电子计算机工程副教授丹尼斯·普拉瑟说，这种芯片还是存在一些问题的，例如使用有机材料会产生自然颠簸和不规则运动。

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"No. 1 is the upfront cost issue," said Paul Ziehl, an associate professor of engineering at the University of South Carolina.

“首要问题是前期成本问题”南卡罗莱纳大学工程副教授Paul Ziehl说。

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Dana Christensen, associate lab director for energy and engineering at ORNL, says that health risks from radiation in coal by-products are low.

OR NL能源与工程方面的助理实验室主管Dana Christensen说，煤电副产品的放射性引起的健康威胁很低。

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"If people think of it at all, they tend to associate engineering with heavy industry and civil infrastructure, " the academy says on its website.

BBC: Berners-Lee wins engineering prize for world wide web

In aeronautical jargon, a jetpod is a "VQSTOL" (very quiet, short take off and landing) aircraft, explained Dr. Joe Iannelli, Associate Professor of Aeronautical Engineering at London's City University.

CNN: 'Flying taxi' of the future revealed

Eric Fenton , an associate professor of aeronautical engineering at the Massachusetts Institute of Technology, developed a system that allows planes to fly by following typed directions similar to the verbal commands a flight controller might give.

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