I agree.. closed form being a canoe stuck in the waterfall of our 3D plane all the rest is the medium of time passing thru it. Fran
IMO, all energy is motion in the substance of the vacuum. When that motion occurs in a closed form, the result is a particle. This was also Fred Sparber's point of view if a IIRC. I think he was right. [snip] Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html