During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...

Earth's shadow follows the planet as it orbits the sun. You can get a sense of its enormous, awe-inspiring size by seeing this silhouette cast on objects ranging from satellites to the moon.

As the country looks to commercial companies to drive innovation, it has a golden opportunity to support open science and increase its output in key areas.

Mar. 26, 2026 Deepfake X-rays created by AI are now convincing enough to fool both doctors and AI models. In tests, radiologists had limited success identifying fake images, especially when they ...