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Machine Design Blogs
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Interesting piece in Daily Tech about the lack of sunspot activity. The last time this happened, the earth experienced a mini ice age. http://www.dailytech.com/Sun+Makes+History+First+Spotless+Month+in+a+Century/article12823.htm...
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Futures Magazine reports that a significant number of smaller ethanol plants have recently filed for bankruptcy or been scrapped before completion, thanks to rising corn and energy prices. Apparantly part of the problem is that farmers contracted to feedstock...
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Well, it was bound to happen sometime the way things are going. Now it looks as though it will happen next year, according to this story from MarketWatch.com. Here is a link to the full story: http://www.marketwatch.com/news/story/china-top-us-manufacturing-2009/story.aspx?guid={46448549-CE99-4D28-8325-9CB13812C55C...
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Manufacturing & Technology News ran an interesting item recently. They collected information about the top US imports and exports. It turns out our number-one export by volume is waste paper. Of course, this is nothing new. Waste paper has been our...
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U.S. Physics Team 'Brings Home the Gold' (and a Silver) From International Competition Libraries Medical News Keywords STUDENT, PHYSICS, OLYMPIC Contact Information Available for logged-in reporters only Description he 2008 U.S. Physics Team returns home...
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This short video shot at the experimental aircraft get-together in Oshkosh gives you an idea of what the planes in the Rocket Racing League are going to look like and how they'll perform. http://tinyurl.com/6hlat7...
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Well, jet pack is a misnomer. This is actually powered by a piston engine which drives two ducted fans. It is a little like taking the ducted fan UAV that Honeywell came up with (you can see a video of that here: http://machinedesign.com/Video/714/72766/HoneywellsHoveringUAV.aspx...
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If women aren't going into technology and science career fields, it is not because they lack math apptitude. New research finds no difference between the average math scores of boys and girls in the grades 2 through 11. You can find a link to the study...
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Who says the issue of man-made global warming has been settled? The journal Physics & Society just published a debate on the subject because, according to the editor, There is a considerable presence within the scientific community of people who do...
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What ever happened to just scribbling formulas on the palm of your hand? The YouTube clip is interesting and so is the discussion that follows. http://chronicle.com/wiredcampus/article/3160/students-show-how-to-cheat-via-youtube?utm_source=at&utm_medium=e...
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When researchers were devising their complicated theories about how ancient Britons built Stonehenge, apparently they forgot to consult today's construction workers. It turns out erecting Stonehenge's pillars may not have involved nearly as much effort...
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This is all over the Web but here is a link to the story if you haven't seen it. The chief engineer for the Camry hybrid died of a heart attack which was eventually ruled to be caused by overwork, poor guy. For those unfamiliar with the Toyota method...
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Done as an artistic piece, this "trabantimino" extends itself via hydraulics to change from an east german trabant to an american muscle car. Of course, it carries a V8 engine -- no amount of transformer action can change a 26-hp trabant engine into a...
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The link below takes you to an audio/video clip showing the ATC radar screen readout and the radio exchange that happened when a private pilot minding his own business got buzzed by an F-16 pilot. The private pilot is obviously hopping mad. He claims...
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I always thought it was a little screwy that the grade I got in a high school typing class counted as much as my grade in precalculus. Looks like I wasn't the only one with this idea. Texas is apparently going to fold course difficulty into the calculation...
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Well, so much for the idea that fewer and fewer students are studying math and the sciences. The National Center for Education Statistics compared surveys of high school seniors in 1972, 1980, 1982, 1992, and 2004. One result: The percentage of seniors...
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Here's a news flash: People who take higher level math courses tend to make more money than those who do not, regardless of what they majored in. As reported in the blogs of the Chronicle of Higher Education, In raw terms, the two scholars found the usual...
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For just writing a $10,000 check for a conversion kit, you, too, can have a plug-in hybrid. Oh, and if you drive 40 miles daily, you'll break even on your investment after about eight years: http://www.forbesautos.com/news/features/2008/plug-in-electric-vehicles-story.htm...
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Avatars or online alter-egos can help individuals with Asperger syndrome deal with frustration in a computer-simulated environment to better cope in the real world, say researchers at the Univ. of Texas at Dallas Center for BrainHealth . Asperger...
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At the AUVSI unmanned systems show earlier this week, it was interesting to note all the interest in engine technology for UAVs. The image most people have of the typical UAV powerplant is something pulled out of an RC plane and tweaked for military use....
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You may remember from your calculus classes that symmetry can sometimes be used to solve equations that at first look daunting. But some symmetries are so complicated that they are tough to spot, even for a computer. University of Michigan researchers...
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This sort of makes you wonder about other inventors who might have been buried in what they invented: Associated Press June 3, 2008 - Cincinnati--The man who designed the Pringles potato crisp packaging system was so proud of his accomplishment that a...
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Unfortunately, I can only attend one day of PTC's three-day Global Media Event, being held in Long Beach, Calif. This morning's presentations covered the business side of things. It was said that 2,046 registrants from some 24 countries attended the conference....
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I happened to come upon this piece of information from D.R. Barton, a financial columnist, on the cost components of gasoline. It makes interesting reading. ---------------------------------------- What is the breakdown in the cost of a gallon of gasoline?...
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There has been yet another study that has concluded that corn-based ethanol is bad news from a variety of angles. To quote the summary, The study looked at factors such as the energy needed to produce a renewable fuel source compared with how much energy...
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