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How GM engineers are using diaper 'snow' to keep you warm

Testing how snow affects General Motors' vehicles isn't really a problem right now for the company's engineers, but in the dog days of summer the process isn't exactly easy. The only real option is for them to book time at the automaker's climatic wind tunnel. However, a flash of brilliance from an engineer allows snow to be simulated regardless of the temperature outside, and the discovery is all because of his daughter's wet diaper. The realization came to GM Thermal Systems engineer Nicholas Jahn while he was swimming with his daughter and noticed how her diaper ballooned in size in the water. He found out the substance that makes this possible is called sodium polyacrylate. When the material gets wet it grows and forms fluffy flakes that are a close imitation of snow. Best of all, the stuff can be prepared easily any time of the year, and it's reusable. The engineering team uses the material to test the effectiveness of the heating systems of GM's vehicles. They spread the sodium polyacrylate over the inlets at the base of the windshield to obstruct the airflow and then crank the heater. After some time, they can see how much is being sucked into the system and design more efficient systems in the future. See how the process works in the video above and read about the diaper discovery in GM's press release below. Diapers Change Chevy Cruze Winter Warm-up Time GM validation engineer uses diaper material "snow" to reduce frigid drives 2015-01-06 DETROIT – An item commonly found on an infant's changing table is helping General Motors' engineers simulate snow year round, ensuring heating systems in cars like the 2015 Chevrolet Cruze can quickly and efficiently warm its interior. Packed snow can prevent air from entering the inlet panel at the bottom of the windshield, obstructing the flow of air into the heating system and reducing the amount of air it can push out. This can lead to less efficient warming of the car's interior and windshield defrosting. "The last thing anyone wants to do when it's freezing cold out is scrape their windshield," said Nicholas Jahn, GM Vehicle Thermal Systems engineer. "The testing we perform on the Chevrolet Cruze with the diaper material allows us to maximize the car's heating capabilities." Ironically, Jahn stumbled upon his diaper-based testing method in the middle of summer. During a swim with his daughter, he noticed her diaper multiplied in size when it came into contact with water.

Check out the official 2013 Trans Am Hurst Edition commercial

The Poncho is dead. Long live the Poncho. Like certain other reoccurring personal maladies, the aftermarket community simply can't let the Trans Am go without another flare up. The guys at Trans Am Depot have worked up a quick commercial for their newest creation: The 2013 Trans Am Hurst Edition, and it watches pretty much like you'd expect it to. The footage is comprised of just about every TA male fantasy you can conceive of, from Daisy Dukes and white tank tops to tramp stamps, bikinis and ice cream cones. There simply aren't words for what you'll see below.
Of course, we like our T-Tops as much as the next guy. If you like what you see in the videos, you can pick up your very own TA by heading over to the Trans Am Depot site. The guys even have Chevrolet Camaro-based versions of the Pontiac GTO if the '77 TA treatment is too much for your tastes. Enjoy, but don't say we didn't warn you.

LG Chem ready to double workforce at plant that makes Volt batteries

With a history that involves paying people not to work, the fact that LG Chem is going to hire more people for its electric-vehicle battery plant in Holland, Michigan is good news on a couple fronts for the Korean company. The South Korea-based LG Chem is holding a job fair at the factory about 30 miles west of Grand Rapids. The company wants to double its workforce this year to "several hundred people." LG Chem, whose factory notably makes the cells for General Motors' Chevrolet Volt extended-range electric vehicle battery, is looking for everything from technical operators to maintenance workers to production supervisors. The company held a previous job fair last September that resulted in about 40 people being hired. The prior year, though, LG Chem gained a measure of infamy after the US Department of Energy (DOE) discovered that workers were, for a time, getting paid to do absolutely nothing because low demand for battery packs made it cheaper for the factory to remain idle. With LG Chem also making electric-vehicle battery components for Ford, Renault, Hyundai, and Volvo, though, those lazy days appear to be long gone. Take a look at LG Chem's press release below. Show full PR text LG Chem Michigan Inc. 2nd Job Fair Will Help To Double Its Holland Workforce HOLLAND, Mich., May 13, 2015 /PRNewswire/ -- LG Chem Michigan Inc. (LGCMI) is conducting a 2nd job fair on Thursday, May 14 as part of the company's efforts to double the size of its production workforce in 2015. LGCMI is an air-conditioned, clean room production environment with strong opportunity for career growth. Over 250 people attended the first job fair and the company is looking for more people to help it grow with increased production volume and new models. The company is adding production equipment and new processes and expects to employ several hundred people by the end of the year. Globally, LG Chem has numerous automakers as clients for EV batteries including GM, Ford, Renault, Hyundai/Kia, Volvo, Audi and Daimler etc. The company's push to build its workforce continues on Thursday, May 14 with an all-day job fair at the company's facilities, located at 1 LG Way in Holland. The event will take place from 9:00 a.m. until 6:00 p.m. and is open to everyone seeking employment opportunities with the company. Prospective candidates should plan to meet with members of LGCMI's staff to learn more about opportunities available at this market-leading, advanced-technology manufacturing company.