Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
Not good. NASA recommends #14 welding glass only. Apparently it has a thin metal coating on the glass that is recommended for all sun viewing.I used shade 10 welding glass to photograph the transit of Venus.
Not good. NASA recommends #14 welding glass only. Apparently it has a thin metal coating on the glass that is recommended for all sun viewing.I used shade 10 welding glass to photograph the transit of Venus.
Might want to check. I would hate to see anyone end up with eye damage or blindness.
There are different types of solar filters.Any advice gratefully received