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Nuclear medicine is a medical specialty that uses radioactive substances to diagnose and treat disease. It records radiation emitted from within the body, rather than from external sources, and can show physiological function and metabolism of different organs and tissues.
Nuclear fusion is a reaction in which two or more atomic nuclei combine to form one or more different atomic nuclei and subatomic particles, releasing or absorbing energy. Learn about the concept, history, process and applications of nuclear fusion, such as in stars, hydrogen bombs and fusion reactors.
The nuclear fusion reaction happens when that third neutron is jettisoned, releasing a burst of energy. It's the burst that powers the stars.
Positron emission tomography (PET) [1] is a functional imaging technique that uses radioactive substances known as radiotracers to visualize and measure changes in metabolic processes, and in other physiological activities including blood flow, regional chemical composition, and absorption.
Nuclear fusion is a highly complex process that involves forcing together two nuclei that would normally repel. One way to do that is to turn up temperatures in a tokamak to the tune of 150 ...
Nuclear fusion was on the agenda at the United Nations Climate Change Conference (COP28) earlier this month, with governments agreeing to speed up efforts to develop the technology.
Learn how fusion research started in the 20th century and how it evolved to explore various approaches and applications. The web page covers the early discoveries, experiments, theories and devices related to fusion, from 1920 to 1950.
Nuclear fusion, after all, is the same energy that powers the sun and every other star in the universe. Being able to harness and replicate it means that humankind could one day tap an almost ...