an alternate name for the Rice Institute Computer, an innovative computer extant at Rice University from 1959 to 1971 Biology R1 plasmid, a plasmid found in E Coli ATC code R01 Nasal preparations, a subgroup of the Anatomical Therapeutic Chemical Classification System Haplogroup R1 (Y-DNA), a human Y-chromosome DNA haplogroup The R1 vein in insect wings Other R01 grant, a form of competitive funding issued by the National Institutes of Health in the United States R1: Explosive when dry, a risk phrase R-1 Federation Rogue One, a 2016 film R1 Multi-frequency signaling, a telephony control technique R1 (nuclear reactor), the first nuclear reactor of Sweden R1 space in topology, in mathematics R-1 visa, a non-immigrant visa which allows travel to United States for service as a minister or other religious occupation. DSC-R1, a 2005 Sony Cyber-shot R series camera TV R1, Czech regional television station R1, a brand sold by Imperial Tobacco Region 1, the DVD region code for United States, Canada, Bermuda, U.S. territories Research I university, a designation of U.S. universities engaged in the highest levels of research activity BBC Radio 1, a national radio station in the United Kingdom Radio One (New Zealand) a New Zealand student radio station Samsung YP-R1, a digital audio player