PROVIDENCE, R.I., June 10, 2025 /PRNewswire/ -- Meller Optics, Inc. has introduced custom fabricated sapphire prisms that bend, split, or reflect light but are resistant to scratching, and ...

Photo-thermo-refractive (PTR) glasses are the class of polyfunctional materials that combine the properties of several monofunctional materials such as photo-refractive, laser, luminescent, and ...

Have you ever gazed up at the night sky and caught your breath at the sight of a glowing ring encircling the moon? It feels .

PDF from the official Haryana Board website (bseh.org.in). Access chapter-wise topics, course structure, and marking scheme ...

Lay each prism over one lens of the goggles. Use scissors or a craft knife to cut away any excess so the prism fits precisely over the lens. Make sure the lenses of the goggles are clean and dry. Peel ...

It features BaK-4 glass, roof prisms, and multi-coated lenses that minimize ghosting, reflections and lens flare. However, it's worth noting that the fixed 36x magnification, ...

The 8x magnification gives you a great all-purpose view of what's in the bushes, or on the horizon. Observations are a suitably bright image that boasts clarity thanks to the light-gathering prowess ...

St. Paul Lutheran Church: 2302 S. Presa St. Built in 1925, the red brick structure was enlarged in 1948. Stained glass windows, designed by the pastor at that time, also were added.

Get ahead of Prime Day on July 8-11 by picking out a pair of the best binoculars for stargazing and observing the night sky.