2. The Wave Equation If you take a long string and shake one end, you will create a disturbance. Guess what, with that simple shake you've made a wave pulse, which travels along the string.
This is the average height of the highest one third of the waves in the record. H max Maximum height of the waves (metres) in the record. T z Average wave period. This is the average time (seconds) ...
Short Wave New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor.
Your period may change during the time leading up to menopause, or perimenopause, during your 40s. You might notice a sudden change in menstrual cycle length or heavy periods after 40. Your ...