Questions with the keyword 'sight'

• Is it actually dangerous to look directly at the sun, because I can stare at the sun for a while without hurting my by to Daren, Lynne, Phillip, Simon Comments: (No comments so far )
• When we close our eyes do we actually experience darkness or what? by to Daren, Lynne, Phillip, Simon Comments: (No comments so far )
• How do optical illusions work? by to Daren, Lynne, Phillip, Simon Comments: (No comments so far )
• how can you describe the colour yellow without using any examples? by to Daren, Lynne, Phillip, Simon Comments: (No comments so far )