Radioactivity Collection (page 6)

Detailed inspection of Tc-99m generator column

Geiger counter, for detecting radioactivity
Geiger counter, a device used for detecting radioactivity by its ionising effect as it passes through a gas at low pressure (contained in the cylindrical tube)

Clean-room assembly of technetium-99m generator

Production of radioactive tracers at Amersham Int
Preparation of technetium-99m (Tc-99m) isotope generators, used as sources of radioactive tracers for gamma ray scintigraphy in hospital nuclear medicine departments

Radiation measurements, 1948
Radiation measurements. Researcher (right) using a Geiger Mueller gamma ray counter to measure the radiation levels in a test subject (left)

Radon measurements, 1948
Radon measurements. Researcher using an alpha-particle ionisation method to measure the radon content of breath samples. Radon is a radioactive gas found in nature

Military radiation meter
British military radiation meter. This portable device is designed to be used to measure the levels of radiation in an area

Radiation hazard sign at Amersham International

View of Frederic Joliot-Curie
Frederic Joliot-Curie, French physicist, born in Paris on March 19th, 1900, died in Paris on August 14th, 1958. Joliot obtained a degree in engineering & in 1925 became assistant to Marie Curie

Geiger-Muller tube measuring radiation from a source, with a ratemeter. The Geiger-Muller tube (at left) is instrument for detecting and measuring ionizing radiation (from the source at right)

Nuclear hourglass, conceptual image
Nuclear hourglass. Conceptual image of a sand hourglass with images of a nuclear power station (top) and a radioactivity symbol (yellow and black)

Nuclear waste from a nuclear submarine
Containers to store and transport solid radioactive waste after the utilization of nuclear-powered submarines, Federal State-run Engineering Works " Zvyozdochka" in Severodvinsk

Polonium crystal structure, computer model. This is the alpha (cubic) form of solid polonium. Polonium is a rare radioactive element. It is most often found in nature in uranium ores

Art of helium nucleus or alpha particle

Sellafield visitor centre at Sellafield nuclear power satationin Cumbria, UK
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"Unveiling the Mysteries of Radioactivity: Marie Curie's Nobel Prize-Winning Journey" Step into the world of radioactivity, where groundbreaking discoveries and scientific brilliance have shaped our understanding of this powerful force. At its core stands Marie Curie, a Polish-French physicist whose unwavering dedication revolutionized the field. Marie Curie, a name synonymous with scientific excellence, became the first woman to win a Nobel Prize in 1903. Her relentless pursuit led her to uncover two radioactive elements - polonium and radium - forever changing our perception of matter's fundamental properties. In 1957, as nuclear tests echoed across the globe, their fallout cast an ominous shadow over humanity. Yet amidst this uncertainty emerged James Van Allen, a US astrophysicist who discovered Earth's radiation belts that bear his name today. His findings shed light on how radioactivity permeates not only our planet but also extends far beyond. The laboratory was Marie and Pierre Curie's sanctuary; captured in a captivating photograph from 1898, it showcases their tireless efforts to unravel nature's secrets. Together as French physicists, they pioneered research on radioactivity and laid the foundation for future generations. Their legacy continued through Frederic Joliot and Irene Joliot-Curie – French scientists who followed in Marie Curie's footsteps by synthesizing new radioactive isotopes in 1935. Their contributions further propelled mankind towards harnessing this enigmatic energy for medical advancements. However, radioactivity is not without its dangers. The haunting image of contaminated buildings being hosed down in Prepyate serves as a stark reminder of Chernobyl’s catastrophic nuclear disaster in 1986 – an event that highlighted both the immense power and devastating consequences associated with uncontrolled exposure to radiation. Beyond terrestrial boundaries lies another realm influenced by radioactivity – our very own Sun.