There are three types of cone cells in the retina that are called L-cones (sensitive to the red light), M-cones (sensitive to the green light), and S-cones (sensitive to the blue light). The ...
An array of photomultiplier tubes, used to detect faint sources of light, mounted inside the steel tank of the Eos detector. The photomultiplier tubes will eventually be submerged in water admixed ...