Scientists at the X-ray free-electron laser SwissFEL have realized a long-pursued experimental goal in physics: to show how ...

Across the sky, astronomers are stitching together vast samples of galaxies to understand how often supermassive black holes ...

Meta’s newest smart glasses have become a victim of their own success. After a surge of early demand in the United States, the company is freezing the rollout of its Ray-Ban Display model in Europe ...

Scientists at the Paul Scherrer Institute PSI have, for the first time, demonstrated a technique that synchronizes ultrashort ...

The Geometrical Optics: Lenses & Mirrors Simulator is an interactive, browser-based educational tool designed to support the teaching and learning of undergraduate geometrical optics. The simulator ...

For the first time ever, astronomers have captured two distinct X-ray views of an interstellar comet, providing an unprecedented glimpse into the interplay between a visitor from beyond our solar ...

Long, long ago a cloud of stars circled a galaxy-size black hole, safely at a distance. Then about 200 million years ago one member of the cloud bumped another, a sun-size star, and sent it toward the ...

The objective lens is designed to deliver high resolution, a broad field of view (2500 μm × 400 μm), and long working distance while minimizing aberrations across both UV and visible wavelengths. A ...