• Philosophy,  Psychology

    Can We Know Reality Without Changing It?

    Modern atomic theory describes perception as a change both to reality and to our perception. For instance, when we see the redness of an apple, light impinges on the apple, is absorbed by the atoms in the apple, and then emitted. The color perceived by the eyes is due to the light that is emitted. This model of perception requires a physical particle (a photon) traveling from the apple to the eyes, which presents a deep philosophical problem of perception in that we cannot know the world without changing it. In the case of seeing an apple, the electrons in the atoms must first absorb light and then emit it,…