China's Rare Earth Export Cutbacks Raise Alarms
Blog 9/22/2011 20 comments Prices for rare earth elements, an important component electromechanical products, have jumped by at least an order of magnitude in the past year as a result of export cutbacks from China, the world's largest source.
Rare Earth Shortages Revive Alternatives
Blog 9/6/2011 9 comments Rising concern over China restricting exports of rare earth elements has caused the industry to revisit older magnetic materials from the mid-20th century, such as aluminum-nickel-cobalt compounds and thin films of iron and nitrogen.
A Tokyo company, Miraisens Inc., has unveiled a device that allows users to move virtual 3D objects around and "feel" them via a vibration sensor. The device has many applications within the gaming, medical, and 3D-printing industries.
In the last few years, use of CFD in building design has increased manifolds. Computational
fluid dynamics is effective in analyzing the flow and thermal properties of air within spaces. It can be used in buildings to find the best measures for comfortable temperature at low energy use.
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