A total solar eclipse is an awe-inspiring phenomenon. People in the U.S. will be able to view one on August 21, 2017. Total solar eclipses are rare and this is a once in a lifetime opportunity to see one. It’s important to keep in mind that all those warnings about not looking at an eclipse directly are true. Solar eclipses should be viewed through special eclipse glasses or by a casting an image of the sun. The benefits of solar eclipse glasses are that they allow the wearer to witness the event without endangering their eyesight. What is a solar…