Light
Visual illusion refers to a perceptual phenomenon where our eyes and brain misinterpret or distort the visual information we receive. It can cause us to perceive things differently from reality.
Perception is the process by which we interpret and make sense of sensory information from our environment.
A confounding variable is an extraneous factor that influences the relationship between the independent and dependent variables in an experiment.
Ethics refers to moral principles that guide behavior and decision-making, particularly in relation to what is right or wrong.