Additionally, a filter was sampling the aerosol in the room at a flow rate ... An Ecochem DC 2000 CE diffusion charging sensor was also used in the indoor experiments. This sensor works by ...

A niche update to one of our favorite street photography compacts, the Ricoh GR IIIx HDF swaps an ND filter for a high diffusion filter to produce dreamy stills with a soft analog glow.

Binding can lead to selective transport in systems in which the bound particle can diffuse, but the mechanisms that lead to bound diffusion remain unclear. Previous theory has proposed a molecular ...