Magnetism in the Universe

5 January 2010

Professor Bryan Gaensler from the Sydney Institute for Astronomy on the topic of Magnetism in the Universe, which was only discovered in the 20th century.

- What is a magnet?

- What objects in the universe are magnetic?

- How are magnets detected in space?

- How do we detect magnetic fields, despite the fact they are invisible?

- What is the relationship between magnetism and the formation of galaxies?

- How is magnetism related to the existance of life?

- Could we exist without magnetism?

- What does this mean for space exploration?

- Magnetism and Faraday Rotation

- The relationships between magnetism and sun spots

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The Brainsmatter podcast, which started in September 2006, includes discussion of science, trivia, history, and general knowledge as well as interviews with experts in their field.