If the universe began with a big bang, how will it end? This question has suddenly got very personal for acclaimed science poet Alicia Sometimes.Physicists have got some hair-raising ideas, from the Big Crunch to the Big Rip. The personal, the poetic, and the physical of endings this week on Science Friction.Hear Part 1: What Came Before the Big BangGuests:

Alicia SometimesPoet, writer, broadcaster, podcaster

Chris FerrieQuantum physicist, Associate Professor, Centre for Quantum Software and InformationUniversity of Technology, SydneyAuthor, Quantum Physics for Babies (and other children's books)

Katie MackTheoretical cosmologist, Associate professor, Department of PhysicsNorth Carolina State University,Hawking Chair in Cosmology and Science CommunicationPerimeter Institute for Theoretical PhysicsAuthor, The End of Everything (Astrophysically Speaking)

Writer: Alicia SometimesWriter: Alicia SometimesProducers: Alicia Sometimes, Natasha MitchellSound Engineer: Matthew Crawford