Introduction to Dark Matter. Researchers from across Australia are working at an underground lab in Stawell to uncover one of the great mysteries of the universe – the nature of dark matter. Ballarat local H Troon built the laboratory – the first underground physics laboratory in the Southern Hemisphere. Q&A This event will provide for a Question and Answer after the talk. Speaker: Elisabetta Barberio The woman blazing a cosmic trail in Australian science. Elisabetta Barberio remembers playing on the streets of a remote Italian village as a little girl, her sense of the world unfurling. Find out more by visiting the website.