News

At incredibly small scales, the universe operates according to the unfamiliar rules of quantum mechanics. And Planck’s ...
Heat waves that already affect the population of the Metropolitan Area of Barcelona (AMB) could significantly intensify in the future, with temperature increases of up to 6ºC and a general reduction ...
It demonstrates that it is possible to completely absorb radiation without the incorporation of destructive interference. This effect offers a new tool for controlling electromagnetic absorption.
Researchers in the Oregon State University College of Engineering have developed new technology for uranium enrichment ...
Previous studies of the absorption of radio-frequency radiation in the body – and the associated increases in temperature – have detected variations on scales larger than 2 mm. This approach is ...
A CORRESPONDENT, Mr. Harris Booth, has questioned the validity of the treatment of the absorption curve of cosmical radiation in water as given in my “Inter protation of the Atom”—in which ...
For nearly a century, scientists around the world have been searching for dark matter—an invisible substance believed to make up about 80% of the universe's mass and needed to explain a variety of ...
IT is now generally accepted that the soft component of cosmic radiation consists of electrons which are absorbed mainly by emission of light quanta and subsequent production of pairs (cascade ...
This article was originally published with the title “Absorption and Radiation of the Solar Atmosphere” in SA Supplements Vol. 85 No. 2215supp (June 1918), p. 377 doi:10.1038 ...
This article was originally published with the title “Radiation and Absorption of Heat by the Earth” in Scientific American Magazine Vol. 2 No. 8 (February 1860), p. 115 doi:10.1038 ...
» What is meant by radiation “dose” of X rays? Radiation dose is a measure of how much energy is absorbed when something or someone is exposed to X-rays. This is important because it is this ...