There are few things more patriotic than a fireworks display. As we watch, we don’t often pause to think about the math that goes into this entertaining event. Dedicated professionals study the math behind fireworks to ensure our safety and satisfaction. Read more here or here.
Being able to locate the source of sound is a skill that humans employ based on the difference in the amount of time the sound waves take to reach each ear. For smaller birds, reptiles and mammals, the distance between the ears is too small to base sound location off of the same strategy. Mathematicians from the Technical University of Munich have used a model to show how these animals compensate for this. Read more about this here.