💁🏻♀️ ICYMI: 🕯️🔈 Physicist Dr. Helen Czerski uses a stethoscope on tree bark and candles in an anechoic chamber to show how #sound is a physical movement of #air molecules. Watch how flames flicker in sync with specific frequencies to make invisible sound waves visible!
#science #fire #trees #stem #physics #nature #trees #audio #forests #education #experiments #tksst #video
