Abstract: The invention involves systems to channel the air available for cooling inside the chassis of the computing device to force the air into selected channels in the memory bank (i.e., between the modules rather than around the modules or some other path of least resistance). This tunneled cooling (or collimated cooling) is made possible by using a set of baffles (or apertures) placed upstream of and between the cooling air supply and the memory bank area to force air to go only through the rectangular space available between adjacent modules in the memory bank of the high speed computing machines (super computers or blade servers in these cases). In some instances, it may be desirable to include both a blower fan, for forcing cool air through the baffles and through the heat exchanger(s) aligned with openings in the baffles, and a suction fan to draw or pull air as it exits the rear of the blade server chassis.

Abstract: A mixing device for use atop a plurality of containers that contain constituents that are to be mixed and dispensed is described. The device includes a head having an outlet and a cartridge that has inlets for accepting constituents from each of the plurality of containers, a mixing chamber, and a nozzle for dispensing a mixed product extending through the opening in the head. The device includes a means for securing the head to the containers. A mixing system can include the device together with the containers holding the constituents to be mixed.