Difference between Concave vs Convex Lens: Isn’t physics one of those subjects that almost every student is scared of? Well why not, given the complexity of ...

October is here and that means it's time for spooky Snaps. While Snapchat usually has quite a few Halloween Lenses to choose from, you can easily make your own Lens. If you're ready to get creative, ...

Injection molding: a lot harder than you'd think! I picked up a benchtop injection molding machine to play with, and thought a "simple" double convex singlet lens would be a good first project.

Injection molding seemed easy—until I tried machining a double convex lens mold. From surface finish to mold alignment, this “simple” project got real fast.