Tips for the Total Solar Eclipse (August 21, 2017)

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The Sun through eclipse glasses.

I am psyched about the eclipse. I’m traveling to see it properly, because in Indianapolis, the Sun will only be 91% eclipsed by the Moon. That’s as good as I’ve ever seen it before (in 1986 and 1994), but this time I want to see the stars come out in the daytime, and I want to see the corona.

In 1986, I was really unsafe and looked at the eclipse through a stack of exposed slides. I have no idea if it blocked enough light to be safe, and even then I only took...