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 ...
This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here ...
Dot Physics on MSN
Understanding total internal reflection in physics
Understand the physics behind total internal reflection and why light can become completely trapped inside a medium. This video explains the conditions required for total internal reflection, the role ...
In a landmark discovery that bridges nearly a century of theoretical physics, a Chinese research team has successfully ...
Space.com on MSN
'Eye of God' nebula looks like a cosmic lava lamp in new James Webb Space Telescope image
It may be one of the most iconic sights in the night sky, but astronomers have never seen the Helix Nebula like this before.
The James Webb Space Telescope snapped its sharpest image of the area around a black hole, solving a long-standing galactic ...
The James Webb Space Telescope has delivered its clearest view yet of a supermassive black hole's immediate surroundings, ...
A company called Reflect Orbital wants to illuminate the Earth after sunset with orbital sky mirrors, raising alarm bells.
By shining a focused laser beam onto a sample of material, a team at the Paul Scherrer Institute (PSI) and ETH Zürich showed ...
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