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Gadget Freak
Content posted in February 2012
Gadget Freak Case #206: Electroluminescent Wire Sound Controller
Gadget Freak 
2/28/2012  12 comments
By connecting electroluminescent wire to his Android smartphone, Matt Katzenstein has created his own personal disco light that strobes to the beat of his music.
Driving App Updates via Crowdsourcing
Gadget Freak 
2/22/2012  10 comments
Waze, an open-source GPS-enabled smartphone app, takes full advantage of crowdsourcing to update road conditions.
Gadget Freak Case #205: Colorado Smart Bike Shifts Itself
Gadget Freak 
2/14/2012  41 comments
A group of Colorado State University engineering students created a bike that shifts gears by itself based on several inputs: rear wheel speed, pedaling direction, and initial chain position.
Gadget Freak Case #204: Self-Starting, Solar-Powered Stirling Engine
Gadget Freak 
2/7/2012  28 comments
Doug Conner's self-starting, solar-powered Stirling engine runs all year when the sun is visible from the sculpture’s location. The engine can shut down when the sun isn’t visible, and it can restart by itself when the sun comes back up.




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What makes this movie stand out from the typical high school sports story is that the teenagers are undocumented immigrants, and the big game is a NASA-sponsored marine robotics competition. Like many other Hollywood movies, however, Spare Parts only tells part of the story. What the film shows -- and doesn’t show -- raises important issues affecting STEM education in the US.
Instead of sifting through huge amounts of technical data looking for answers to assembly problems, engineers can now benefit from 3M's new initiative -- 3M Assembly Solutions. The company has organized its wealth of adhesive and tape solutions into six typical application areas, making it easier to find the best products to solve their real-world assembly and bonding problems.
Load dump occurs when a discharged battery is disconnected while the alternator is generating current and other loads remain on the alternator circuit. If left alone, the electrical spikes and transients will be transmitted along the power line, leading to malfunctions in individual electronics/sensors or permanent damage to the vehicle’s electronic system. Bottom line: An uncontrolled load dump threatens the overall safety and reliability of the vehicle.
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