Why does light choose the path it does when crossing between media? 🌈 This video presents a clear max–min derivation of Snell’s Law from Fermat’s Principle, showing how extremizing travel time leads ...

An unexpected discovery in a Harvard lab has led to a breakthrough insight into choosing an unconventional material, silica, ...

Researchers at Harvard University, working with collaborators at the University of Lisbon, discovered that low-index silica ...

Harvard researchers have found that silica, long thought to lack the right properties for optical metasurfaces, can sometimes ...

Lake Oswego, OR - January 08, 2026 - PRESSADVANTAGE - At Tersigni Vision, a growing number of patients are asking ...

An apparent industry first, Viavi’s all-in-one offering aims to help operators analyze and monitor HCF project investments ...

An auspicious Ravi Pushya Yoga on Sunday, January 4, 2026, offers a powerful opportunity for career advancement and overcoming bad luck. Ancient scriptures suggest this celestial alignment, blending ...

We suspect there are three kinds of people in the world. People who have access to a Michelson Interferometer and are glad, those who don’t have one and don’t know what one is, and a ...

A new patent outlines a cooled volumetric 3D printing architecture that promises bigger parts and faster builds.

In a landmark discovery that bridges nearly a century of theoretical physics, a Chinese research team has successfully ...

Marc Santos is a Guides Staff Writer from the Philippines. He's a seasoned writer with over four years of industry experience, and he is an enjoyer of all things difficult in gaming. If Marc's not ...

President Trump, who plans to remain in Washington over the weekend, is being briefed regularly about the storm, the White ...