Injection molding: a lot harder than you'd think! I picked up a benchtop injection molding machine to play with, and thought ...

When people think of eyeglasses, they might think of them as a modern innovation–or, at the very least, something that has ...

A lens can be converging (convex) or diverging (concave). The centre of the lens is called the optical centre C. In a ray diagram, a converging lens is drawn as a vertical line with outward facing ...

Most existing water-based liquid lenses operate by changing the curvature of water at the refractive interface, noted the ...

7.5MM F2.8 fisheye mirrorless camera lens, lens structure of 8 groups and 9PCS. Upgraded product, optimizes the light way for clearer imaging. Z mount, suitable for Nikon Z6 Z7 Z50 and other ...

I spoke with two ophthalmologists, Drs. Lisa Park and Natasha Herz, who explained that polarized lenses prevent glare from entering the eye horizontally. Plus, they can help make your eyes feel ...

This heron, along the Skagit River, was in the right place... A fisheye lens, with it's wide-angle view, provides an interesting perspective inside the tropical setting of The Spheres at Amazon.

How public libraries shaped a nation and remain a beloved sanctuary for Americans today. Lucie Faulknor is an arts management and documentary film professional. Founder at Serendipity Films, LLC ...