Recent content by puc

I passed your response on to the guy

More video with no bubbles in both high speed and real time. The jittery motion is still visible as changed in the index of refraction of the soap. Also a wide view of the dish and syringe and a macro.

Oops. Apparently he didn't read your relayed responses before writing the above.

And his reply. "The piston is being drawn up its full length until there is a void between it and the soap entering at the bottom. At that point the force is dictated by the ambient air pressure forcing the soap into the tip. Until the volume is nearly full I'm pretty sure that the force is...

I've relayed your responses

From NIK282K "Interesting replies, I'll have to do some more work and probably make a better setup. I had thought of the long-ness of the soap molecules, this soap in particular can make threads ~0.5-1mm wide and up to 5mm long that slide around on a smooth soap surface. ------ Hadn't thought...

Several hours ago I wrote the guy and included what has been offered here and suggested that more information would be needed. When I get a response I'll post again. Thanks for all the replies. There will be updates.

I'm not even close to a physicist, so if this needs to be and a different forum to get the best response feel free to clue me or move it where it needs to be. Thanks.

So here it is. I took a guess but I couldn't really answer, hopefully you can. Slow motion video of pulsations occurring while sucking liquid soap into a syringe.