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Mobile Measuring Systems Deliver Best-In-Class Precision
Powered by DC micro-drives, a miniature, vibration-free measuring device that detects even the smallest irregularities has been created. Measuring devices for surface roughness measurement are usually rather large. In the past, the measuring object has always been brought to the measuring device rather than vice versa. In order to give this micro device best-in-class precision, vibration resistance, and portability, FAULHABER DC Motors from MICROMO were used.
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FEA aids Deepwater Horizon failure forensics
On the evening of April 20, 2010, Deepwater Horizon suffered a blowout while drilling in the Macondo Prospect, an area in the Gulf of Mexico 40 miles off the southeast coast of Louisiana. The platform caught fire, and two days later, it sank. Eleven crewmen were killed. The spewing oil caused the largest offshore oil spill in U.S. history. In this article, engineers use Abaqus Finite Element Analysis to do some of the detective work concerning what went so terribly wrong with the rig's blowout preventer stack.
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Watch out graphene: 2-D tin may be the next super material
A single layer of tin atoms could be the world's first material to conduct electricity with 100 percent efficiency at the temperatures that computer chips operate, according to a team of theoretical physicists led by researchers from the U.S. Department of Energy's SLAC National Accelerator Laboratory and Stanford University.
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Top Mike Likes: Plastic parts with no molds required
How often have you wondered what life would be like without having to worry about paying tooling charge after tooling charge for products in early development? The "No Molds Required" (NMR) manufacturing technology from Envision Plastics & Design could be your answer. This unique production process harmonizes a combination of sheet metal fabrication and woodworking practices to produce plastic parts used for enclosures, panels and shrouds, brackets and shields, medical-based products, and more.
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Most Popular Stories Part 1
What's the No. 1 most-read story in Designfax for 2013? What research stories did readers find most interesting in the past six months? What products and tools generated the most buzz? Find out these answers and more in our best-of issue Part 1.
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Videos+: Technologies and inspiration in action |
Bigger really is better: 'Impossible dream' achieved in Sikorsky human-powered helicopter challenge |
After 33 years of trying, a team has finally won the American Helicopter Society (AHS) Igor I. Sikorsky Human-Powered Helicopter Competition -- and its $250,000 prize! The challenge: fly a human-powered helicopter above 3 m and hover for more than 60 sec in a 10-m x 10-m space. Canadian team AeroVelo Inc., comprised largely of students at the University of Toronto, flew its extremely novel (and huge!) ATLAS pedal-powered helicopter for 64 sec June 13. A single pilot powered the craft, which featured four, nearly 70-ft rotors attached to a 115-lb carbon-tube and polymer frame. The AHS first issued the human-powered flight challenge in 1980, with an initial prize of $10,000. More than 20 human-powered helicopters have been designed and built since the competition began, though only a handful have gotten off the ground. Officials from AHS International verified the flight data over several weeks and concluded that it met all of the criteria necessary to win the competition. Sikorsky increased the prize to a quarter-million dollars in May 2009. Who would have guessed that this would be the winning design? Incredible.
View the Sikorsky video.
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