Plancks quantum of action says there a minimum length of space 10^-35 meters below which no experiment can measure. Some asume this is a quantum of space, but

Plancks quantum of action says there a minimum length of space 10^-35 meters below which no experiment can measure. Some asume this is a quantum of space, but not necessarily so. Some physicists suggest the universe is very strange at this length scale and may a sea of boiling virtual particles.