Have you ever seen the orange and yellow contraptions that lift workers up into the air? You will see them on construction sites, shopping malls, airports, etc. As an engineer, my job is to assist in the design of the hydraulic systems that make these machines work. The hydraulic systems include the pumps and motors that make the machine self propel, the valves to give the wheels a “limited slip” action for better traction, the valves to lift the people up into the air and position them in the right location to do their intended work, and, perhaps most importantly, the valves that make sure they stay in that position and don’t drop someone 150′ to the ground! The designs are extremely detailed, as you can imagine, and include the many other parts like hoses, fitting sizes, electrical wiring, etc. By any definition of the process, the design is “complete.” Or is it??? Continue reading DNA in the News!