Related topics: light

Hubble views an interacting spiral

This image, taken by the Wide Field and Planetary Camera 2 on NASA's Hubble Space Telescope, features the spiral galaxy NGC 3509. Located some 350 million light-years away, NGC 3509 is an interesting galaxy whose sweeping ...

Racism is different from colorism

Ronald Hall is a professor in the School of Social Work at Michigan State University. He has written over 200 books/articles/monographs, etc., on colorism—discrimination on the basis of skin tone, often among the same ethnic ...

Organic polymeric scintillators excite the X-ray community

X-ray detection is of great importance in diverse applications, such as radiation detection, medical diagnosis, and security inspection. A popular way to achieve X-ray detection is to integrate a photodetector with a luminescent ...

Online retail images reveal skin tone discrepancies

When Lee Humphreys noticed that models for a retail company—one known for its diversity—appeared lighter-skinned in still photos than in videos, she didn't think it was intentional.

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