At Newton we’re gearing up to watch the complete solar eclipse at NASA Goddard on August 21, and we hope you have decided on your prime location. As many news outlets are warning, make sure that you also have a method to filter the sun properly.
If you have decided upon solar glasses, they should be compliant with the ISO 12312-2 international safety standard.
Ryan Milligan, a solar physicist with NASA, in a Q&A with the Washington Post, suggests that you DO NOT attempt to make your own homemade glasses, but instead can create a pinhole projector with a recycled box. It is definitely one good way to hook the little ones in your life into a career in engineering. First it’s projectors, and next it’s microshutters.
Here’s a quick video tutorial: How to Make a Pinhole Projector to View the Solar Eclipse