The photoelectric effect, first explained in 1905, transformed our understanding of how light interacts with matter. When ...

Solar flares are the most powerful explosions in the solar system the biggest ones can have as much energy as a billion ...

In contrast, ionizing radiation can impair the normal functioning of the cells or even kill them. The amount of energy necessary to cause significant biological effects through ionization is so small ...

New type of handheld detector for all types of ionizing radiation improves radiation safety. ScienceDaily . Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2025 / 04 / 250415144005.htm ...

IT is well known that the energy lost by the fast particles of ionizing radiations is ultimately used for the excitation of discrete states, for ionization and for giving to the secondary ...

Dark energy, a mysterious force that scientists believe is behind the accelerated expansion of the universe, is weakening — which could result in the universe over the course of billions of ...

New observations of the cosmos show that the dark energy, a mysterious force that accelerates the expansion of the universe, is evolving.