90K views · 23 reactions | Here's a simple way to turn a camera body cap into an authentic pinhole lens! | ehow | Facebook

19 reactions | Did you know eclipse glasses have an expiration date?! It turns out they do, so if you’re getting ready for next week’s annular eclipse make sure you pick up new ones or build your own pinhole camera like physics professor Todd Duncan does here. Directions from the August 2017 Eclipse are available at pacificu.edu/eclipse. ☀️ | Pacific University | Facebook