This episode of "Cool Stuff Under the Microscope" focuses on Activated Carbon, which is a compound used for many different purposes, it can be used for air sampling to collect chemicals for later analysis, or alternatively can be used in filtration to absorb chemicals removing them from the environment be it water, air or otherwise.The following image was taken using a Radical Microscope (Details Here), and the images were captured using a Nikon D5300 Digital Camera. Again because the depth of field is so shallow the image was focus stacked in order to maximize the depth of field.Got any idea's on other things I should