Industrial pollution.
Urban pollution.
Nanoparticles (< 100 nm) are not visible without instrumentation. So we must imagine them from photos of particles of a few tenth of mm (for example, in situations of pollution).
Do nanoparticles have a specific behavior?
Hanging in the air, all the particles are theoretically subject to 3 types of independent actions: Sedimentation characteristic of inertia, the Thermal diffusion and the disturbances of the air or Convection.
Industrial pollution.
Urban pollution.
Nanoparticles (< 100 nm) are not visible without instrumentation. So we must imagine them from photos of particles of a few tenth of mm (for example, in situations of pollution).