Eyes Questions

• Can humans ever directly see a photon?
• How do carrots help you see in the dark?
• How do projectors project the color black?
• How long does it take our eyes to fully adapt to darkness?
• 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?