You can damage your eyes in mere seconds during the solar eclipse

On August 21, as the moon slips between the Earth and the sun, millions of people around the United States will look skyward to watch the one-in-100 year event.  Many will be tempted to look at the sun with their naked eyes. In fact, it's often tempting to look at the sun, to challenge yourself to do something strictly forbidden by parents, teachers, and doctors.  But in this particular instance, it's forbidden for a reason.  SEE ALSO: Serious question: Does Donald Trump even know