Pilots and aeronautical engineers use the forces involved in lift to help them design and fly planes of all sizes and shapes. With the right lift, even an 870,000-pound jumbo jet can head for the sky.
The definition of a cry is a shedding of tears or a calling out. An example of a cry is a scream for help. Cry is defined as to shed tears or call out. An example of to cry is to release tears after hearing sad news.
Crying can be scientifically defined as the shedding of your tears in response to an emotional state; very different from âlacrimationâ, which is the non-emotional shedding of tears. With that said, your plumbing apparatus that makes your tears is all the same. So before I dazzle you with the fact that we have more than one type of tear, let us explore the science of tear production and how it links to the emotional centre of your brain.