Part 3 is a bit cooler when he levitates some balls in the standing wave. The temperature/density refraction thing is cool, too. Well, it's all more interesting than doing my Saturday work list... Part I starts here if you want the start -- that's the sort of room acoustics demo https://www.youtube.com/watch?v=MBPh410Gnes
Almost makes a guy miss school. Hope everyone is well!
Rusty Messages: 572 Registered: May 2018 Location: Kansas City Missouri
Illuminati (1st Degree)
Nothing like a good visual to make sense of a concept. Now I get diffraction and standing waves better than ever. On a similar note sort of by way of the strobe effect. I went to a ballet performance once and saw a really cool demonstration of dance using strobe with music applied in layers from a cellist laying down repeating loop tracks of his instrument. The dancer came on to interpret the music and then the stage went dark and strobe applied as the dancer perfectly did jumps with his legs outstretched. Like the sound waves, he appeared frozen in time, but moving across the stage like he was floating. It was phenomenal. I wished I could find a similar scene on youtube, but this can give a modest take on it. At the 31 mark. It was amazing physical skill and timing by the dancer. Coolest damn thing I ever saw. https://www.youtube.com/watch?v=UB1ZnvCuXzg