How does it work? - PET-CT
By positron emission tomography (PET), we can obtain visual information on our internal organs without making any surgical incisions.
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The lightest halogen, a pale yellow-green, toxic gas, extremely reactive. Its best known compound is teflon.
This animation demonstrates the structure and operation of CT scanners.
Marie Curie, the only person to win the Nobel Prize in two different sciences, is probably the most famous woman in the history of science.
The process of the decay of unstable nuclei is called radioactivity.
This animation explains transparency and opacity, the principle of radiography, and the light-absorbing properties of materials.