exploratorium

What is Pi Day and why do we celebrate the holiday?
Pi Day was first celebrated in 1988 at San Francisco's Exploratorium, a museum of science and technology that encourages visitors to be hands-on.
The eclipse is over, here's what to do with those glasses
Can't snag eclipse glasses? Make your own!
Miss the total solar eclipse? -- WATCH IT HERE
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The eclipse is over, here's what to do with those glasses
Can't snag eclipse glasses? Make your own!
Miss the total solar eclipse? -- WATCH IT HERE