Why Shouldn't You Look at the Sun?

The video discusses the dangers of looking directly at the sun, highlighting historical figures like Isaac Newton and Giovanni Cassini who suffered vision problems. It explains how ultraviolet radiation can damage different parts of the eye, leading to conditions like photokeratitis, cataracts, and solar retinopathy. The video advises on safe sun observation methods, such as using pinhole projectors or solar filters, and warns against using magnifying devices. It concludes with a reminder to protect your eyes and credits to patrons.

What new insight or understanding did you gain from this video?