Goggle eyed
Question: It has always intrigued me that I can see clearly underwater if I
wear goggles or a mask, yet if I don’t everything is blurred. What is it about
my eyes or the water that causes this effect?
Answer: The reason that you see this effect is the same reason a spoon looks
bent when you immerse it in a glass of water. Light travels more slowly through
water than it does through air. When light moves from one medium to another, it
changes speed, and as a result the beam is bent, or refracted. The amount…
