Episode 19 - Nobody is allowed to steal plutonium - with Camille Bélanger-Champagne

In this episode we chat with Camille Bélanger-Champagne, post-doctoral researcher at the Helsinki Insitute of Physics. She works on instruments for nuclear safeguards, and the instrument she works on can be used by the inspectors from the International Atomic Energy Agency to check that facilities that handle nuclear power are using nuclear material for peaceful and civilian activies only.

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Astronomical Images: When people look at an atlas and see a photograph - A conversation with Joni Tammi

Since the early 20th century, astronomy has been evolving far beyond the optical telescope. While powerful optical telescopes are still very much a viable tool for astronomers, astronomical scientists are relying on new technologies, such as radio interferometry, to look deeper into space. Interferometry combines the results of several radio telescopes situated around the world to create a much bigger astronomical picture as if taken by a single telescope the size of Earth. In this TSB conversation, Joni Tammi, the director of Metsähovi Radio Observatory, discusses the evolution of imaging technologies in astronomy.

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