We can not see them in the usual sense This is because light travels in waves and atoms are smaller than the wavelengths of visible light, which is the light that allows the human eye to see things So we can not see atoms through the media of light, even with a microscope light An atom A bacterum 10m mWe can not see them in the usual sense. This is because light travels in waves and atoms are smaller than the wavelengths of visible light, which is the light that allows the human eye to see things. So we can not see atoms through the media of light, even with a microscope