Scientists have detected radio signals from hot gas surrounding a supermassive black hole that existed 12.9 billion years ago ...

We cannot see ultraviolet (UV ... They are a form of nuclear radiation. High energy waves such as X-rays and gamma rays are transmitted through body tissues with very little absorption.

A new study suggests deaths of nearby massive stars may have played a significant role in triggering at least two mass ...

Heat dominates conversations among Malayalis these days. And the term ‘heat wave’ has become part of common parlance, as the soaring temperature leaves people weary. This summer, however, fear is not ...

Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light, ultraviolet radiation, and X-rays. The tour ends with gamma rays, the potentially deadly ...

During the time it takes for its wave to go through one cycle ... at velocities close to the speed of light. Like ultraviolet radiation and X-rays, gamma rays can kill microorganisms and are ...

Radio waves are used for communication such as ... Visible light, together with ultraviolet radiation and X-rays, is generated when the electrons in an atom lose energy. Ultraviolet radiation ...

The ultraviolet radiation level in the district has been recorded at an index of 11, measured through the ultraviolet (UV) meters installed at Thrithala and Ponnani for Palakkad and Malappuram ...

Electromagnetic radiation is the general term for the more familiar light and radio waves, but also includes gamma rays, x rays, ultraviolet rays, and infrared. All of these forms of electromagnetic ...

(a) radio waves, ultraviolet rays, visible rays, X-rays (b) radio waves, visible rays, infrared rays, X-rays (c) radio waves, infrared rays, visible rays, X-rays (d) X-rays, infrared rays ...