The study of waves therefore forms a topic of central importance in all physical science and engineering. 1  The simplest types of wave motion are vibrations of elastic media, such as air, crystalline solids, or stretched strings. If, for example, the surface of a metal block is struck a sharp blow, the deformation of the surface material compresses the metal in the vicinity of the surface, and this transmits the disturbance to the layers beneath.
There are many aromatherapy recipes for treating the symptoms of respiratory infections. Here are a few: For blocked sinuses and tight dry coughs add two drops of eucalyptus radiata essential oil to a bowl of hot water. Drape a towel over the head and lean over the bowl.
2nd doctor visit, she was given a steroid to help the cough and more allergy meds and albuterol inhaler to use every 4 hours for cough. Still no fever, no sore throat, lungs sound fine, chest sounds fine. Pediatrician thinks it's the allergies causing inflammation in her lungs causing her asthma/cough to be worse.She has been taking steroid twice a day going on 3 days, inhaling albuterol every 4 hours as needed and allergy meds at night.STILL NO relief!The cough sounds the same!ediatrician thinks it's the allergies causing inflammation in her lungs causing her asthma/cough to be worse. She has been taking steroid twice a day going on 3 days, inhaling albuterol every 4 hours as needed and allergy meds at night. STILL NO relief! The cough sounds the same!