Even small children know better than to put anything metal inside a microwave oven. But automotive engineers at Dana Corp. are doing just that as they look for more efficient ways to heat metals. Normally, metals placed in a microwave oven would reflect the microwaves, thereby damaging the microwave source. Surrounding the metal with microwave-absorbing plasma, however, prevents the microwaves from reflecting, making microwaves a much more sensible heat source. Researchers estimate that using microwaves to heat metal will improve part quality and cut processing times for metal processing. For more information, go to http://rbi.ims.ca/3853-527.
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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