A amphitheater mixer, or vortexer, is a simple accessory acclimated frequently in laboratories to mix baby vials of liquid. It consists of an electric motor with the drive shaft aggressive angular and absorbed to a biconcave elastic section army hardly off-center. As the motor runs the elastic section oscillates rapidly in a annular motion. If a analysis tube or added adapted alembic is apprenticed into the elastic cup (or affected to its edge) the motion is transmitted to the aqueous central and a amphitheater is created. Most amphitheater mixers accept capricious acceleration settings and can be set to run continuously, or to run alone if bottomward burden is activated to the elastic piece.
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