Add spaces between the words in the following text: Itputtorestattemptswhichhadbeenmadeupuntilthistimetofindemissiontheoriesoflightwhichdependedonthevelocityofthesourcebutwerenotinconflictwithexperimentalevidence.
It put to rest attempts which had been made up until this time to find emission theories of light which depended on the velocity of the source but were not in conflict with experimental evidence.