That little back and forth jam at the end just pushed this up from 4 stars to 5. o/\o
It is a root. Wikipedia says it's sometimes called a Mexican Turnip.
Awesome. I think of it as a car's speedometer or tachometer. Thus he needs to make a gas pedal and brake pedal that you use to renice your processes :P
now he needs to make a physical diaper load meter, for kids