How to Safely Watch the Total Eclipse
Briefly

The reason is that while your surroundings may get darker during the slow disappearance of the sun, looking directly at light caused by a solar crescent is no safer than looking at the sun at any other time.
The good news is that the most transcendent and transformative part of a total solar eclipse takes place in the relatively brief period of totality, when the disk of the moon is completely covering the disk of the sun.
Read at time.com
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