**Date:** 7th August 2023- **Host:** Steve Dunkley**Main Topics Covered:**1. **Personal Updates:** - Steve celebrated his son and his partner Kate's birthdays in Sydney. - Lunch at a famous Australian landmark.2. **SpaceX News:** - SpaceX tests their new booster. - Static fire test conducted for the Starship First Stage prototype, Booster 9.3. **Graphene in Space:** - The wonder material graphene is being researched for use in space building and development. - Scientists from the Italian Space Agency discuss graphene's potential role in space exploration. - Up to 1.9% of interstellar medium carbon is made of graphene.4. **Voyager 2 Update:** - NASA reestablishes contact with Voyager 2. - Voyager 2's history and its journey through the solar system. - Voyager 1 and 2 carry golden records with information about Earth.5. **Bubbletrons:** - A phenomenon from the early universe where massive bubbles may have emer