Sentences with phrase «measuring ionizing radiation»
During balloon flights he and other physicists carried electroscopes to high altitudes with the goal of measuring ionizing radiation in the atmosphere.
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The detector developed at UNH, known as DoSEN, short for Dose Spectra from Energetic Particles and Neutrons, measures and calculates the absorbed dose in matter and tissue resulting from the exposure to indirect and direct ionizing radiation, which can change cells at the atomic level and lead to irreparable damage.
At one extreme, the scientists estimated fly ash radiation in individuals» bones at around 18 millirems (thousandths of a rem, a unit for measuring doses of ionizing radiation) a year.
A dosimeter that measures exposure to ionizing radiation via the teeth is the furthest along.
Measuring 300 light - years across, the bubble, known as G52L, is filled with hydrogen gas that is ionized by the energetic radiation of embedded young stars.
Teeth and nails are good for measuring radiation because they pick up free radicals (atoms, or ions, with unpaired electrons) created by ionizing radiation and can retain them for long periods of time, says Harold Swartz, a Dartmouth Medical School professor of radiation oncology and director of the Dartmouth Biodosimetry Center for Medical Countermeasures against Radiation.