Externet Posted January 27, 2021 Share Posted January 27, 2021 Hi. Another video 😉 but short and no need to see it all; just time stamp 0:30 shows the spheres shaking. How is the spark producing forces ? I could imagine if they where suspended, the motion would show greater. ----> https://www.youtube.com/watch?v=s8704VbBKbw Link to comment Share on other sites More sharing options...
Bufofrog Posted January 27, 2021 Share Posted January 27, 2021 Here that crack noise from the spark? I assume that pressure wave is what is making the spheres move. Link to comment Share on other sites More sharing options...
Externet Posted January 27, 2021 Author Share Posted January 27, 2021 Thanks. Seems then the sudden heating of air from the spark expands the air and the 'crack' sound wave produces the shaking of the spheres. Acoustic motor 🙄 like windows in thunder. Link to comment Share on other sites More sharing options...
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