Vision Questions

• Can humans ever directly see a photon?
• Do blind people dream in visual images?
• How do carrots help you see in the dark?
• How long does it take our eyes to fully adapt to darkness?
• What are the five senses of the human body?
• What is it about red that makes bulls so angry?
• Why are red, yellow, and blue the primary colors in painting but computer screens use red, green, and blue?
• Why can't color blind people see any colors?
• Why do camera flashes make your eyes turn red?
• Why does a person with only one working eye have zero depth perception?
• Why don't our eyeballs fill up with water when we swim?
• Why is the sky blue?
• Why was color invented by humans?