How to Make a Pinhole Projector
Why the open web links it
Demonstrates how to create a safe, DIY pinhole projector for viewing solar eclipses.
Linked by 15 independent sites, 3 of them widely read in the 2026-10 crawl of the open web, including theweathernetwork.com, planetary.org, ksat.com, backyardstargazers.com, baxtereyecare.com.