An old brick has a natural cavity on one side, providing a cool daytime slug hiding place. Look under any you have around the garden and dispose of the slugs found sheltering. Purposely position a few to create slug shelters, and check daily. A brick also makes a handy squishing implement.
Q Angle of the Knee. The Q angle of the knee is a measurement of the angle between the quadriceps muscles and the patella tendon and provides useful information about the alignment of the knee joint.
In chemistry, Q is the reaction quotient. It is used to determine which direction a reaction will proceed by comparing it to the equilibrium constant, Kc. At equilibrium, the forward reaction and the reverse reaction rates are equivalent.