24/12/2024

Researchers reveal full-gray optical trap in structured light

A research group led by Prof. Yao Baoli and Dr. Xu Xiaohao from Xi'an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences have revealed a full-gray optical trap in structured light, which ...

Civil society: A quiet revolution in economic research

Half a century ago, economic research took a little-noticed yet dramatic departure from the study of concepts most people might be familiar with from Econ 101. The field shifted from an almost exclusive focus on market transactions ...

Image: The twin galaxies NGC 4496A and NGC 4496B

NGC 4496 in the constellation Virgo consists of two spiral galaxies, NGC 4496A (upper large galaxy) and NGC 4496B (lower galaxy). They are in the same line of sight from Earth but located at quite different distances, and ...

Is the universe a fractal?

For decades, cosmologists have wondered if the large-scale structure of the universe is a fractal: if it looks the same no matter the scale. And the answer is: no, not really. But in some ways, yes. Look, it's complicated.

page 2 from 3