Lucia McCallum

I am an Earth surveyor. I measure how fast our planet rotates and how its axis wobbles in Space. My ruler is a network of radio telescopes around the world, looking at black holes as their anchor points. The science of measuring the Earth is called Geodesy. Geodesy is needed to measure effects of climate change. When polar ice caps melt and the water moves towards the equator, it slows the Earth down like a figure skater putting their arms out during a pirouette.

Research keyword/s: Geodesy

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About the BEAKER STREET ROVING SCIENTIST PROGRAM

Each August, hundreds of Roving Scientists descend upon Hobart, filling up pubs and chatting to strangers as part of Beaker Street Festival. Discover a new world down the lens of microscope, and joining the least-boring bar conversations you’ve ever heard and these free (the chats – not the drinks) events.

For Scientists, Beaker Street’s Roving Scientist Program offers an excellent outreach, professional development, and networking opportunity. It’s the nerdiest and funnest way to share your research with the public, expand your network, and be inspired by leaders in all sectors of science and science communication.