In a first for the field, researchers from The Grainger College of Engineering at the University of Illinois Urbana-Champaign ...

Dry eye is very common, especially post corneal refractive surgery, and should be treated preoperatively with attention paid ...

Picture this: you’re standing in a frozen landscape, breath visible in the crisp air, when suddenly the sky explodes into a ...

PDF for physics from the official Punjab Board website. Access chapter-wise details for physics with the link to download the ...

For weather enthusiasts, these lunar halos are both a visual treat and a clue to what’s happening miles above our heads. Let’s unravel the science and wonder behind how halos form around the moon.

Meller Optics, Inc. has introduced custom fabricated sapphire prisms that bend, split, or reflect light but are resistant to scratching, and transmit from the UV to the IR.

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 ...

Meller Sapphire Prisms feature Mohs 9 hardness which is second only to diamond to provide the toughness necessary to resist scratching and operate over a wide temperature range. Unlike glass or quartz ...

Now, carefully arranged arrays of atoms have brought these possibilities a step closer, achieving negative refraction without the need for artificially manufactured metamaterials.