Michigan prohibits manure spreading January through March 19 under new environmental rules affecting all farm operations.

Laboratory mixers commonly refer to vortex mixers which are used to mix small vials of liquid. An electrical motor causes a rubber cup containing a test tube or other vessel to oscillate, causing the ...

Liquid crystals are substances that flow like a liquid but maintain some of the ordered structure of crystals. Liquid-crystal molecules tend to be elongated and to orient in specific directions.