The Alternative Science and Technology Research Organisation of Tasmania (ASTROTAS) are hosting a presentation by Wal Thornhill on Saturday October 18 from 2pm to 5pm. It is to be held in the Community Learning Centre, Penguin Primary School, 105 Ironcliffe Road, Penguin, a coastal town to the west of Devonport on the north of our island state. For more information go to the ASTROTAS website.