Named after the wizard of that name , Merlin-1 is a world where magic entered the world due to the Trinity nuclear test in August 1945 . In " current year " 2004 America ( where much of the magic is centred ) uses both magic and technology to be the dominant superpower . Homeline has begun investigating this world to obtain information about this mana-rich reality , but unbeknownst to them the Merlin-1 American government is aware of their actions and has begun spying on them in return . The setting of '' GURPS Technomancer ''
Trinity nuclear test
Trinity (nuclear test)
GURPS Infinite Worlds