J Jenni New member Feb 21, 2011 #1 i only got a couple so far i need 8 the ones i have are glasses, contact lenses , laser surgery i was also wonder what some devices that are not directly related to human perception? i also need 8 and so far i have microscope , binoculars , camera
i only got a couple so far i need 8 the ones i have are glasses, contact lenses , laser surgery i was also wonder what some devices that are not directly related to human perception? i also need 8 and so far i have microscope , binoculars , camera