Do you have the sunglasses you NEED to view the solar eclipse? Do NOT wait till the last minute to get the real thing: ISO 12312-2
Listen to the Dr. Glaucomflecken podcast for all the solar eclipse scoop!
… Read more
Do you have the sunglasses you NEED to view the solar eclipse? Do NOT wait till the last minute to get the real thing: ISO 12312-2
Listen to the Dr. Glaucomflecken podcast for all the solar eclipse scoop!
… Read more