‘I had rather die in the adventure of noble achievements, than live in obscure and sluggish security’

In 1666, Margaret Cavendish had a vision: there was a crack in reality at the North Pole leading to a utopian parallel universe, where gender roles, scientific orthodoxy and political norms had been razed to the ground. She slipped through the portal and returned with the first science fiction novel in English – an explosive account of the Blazing World.