Many engineers feel that they are not sufficiently compensated for their work—and that is apparently true when it comes to the 7.1% of them who hold down second jobs. The statistics come from a 1997 National Science Foundation study that examined the demographics of working scientists and engineers who work at two jobs. Money, in fact, could have a lot to do with it. Engineers with a second job reported earnings 20% lower than the average for their counterparts with just a single job. Take note that the study is five years old. These days, many engineers probably would be more than happy to have even one job.
Researchers have been working on a number of alternative chemistries to lithium-ion for next-gen batteries, silicon-air among them. However, while the technology has been viewed as promising and cost-effective, to date researchers haven’t managed to develop a battery of this chemistry with a viable running time -- until now.
Norway-based additive manufacturing company Norsk Titanium is building what it says is the first industrial-scale 3D printing plant in the world for making aerospace-grade metal components. The New York state plant will produce 400 metric tons each year of aerospace-grade, structural titanium parts.
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