Inventions & discoveries: R
11 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| Radio proximity fuze | 1942 | James A. Van Allen | — |
| Rangertone | 1931 | Richard H. Ranger | — |
| Raschet Blast Furnace | 1860 | Vladimir Rashet | oven |
| Rawaki Island | February 23, 1824 | Phoenix | reef island |
| Reticulum | 1750 | Nicolas Louis de Lacaille | constellation |
| Rhodium | 1803 | William Hyde Wollaston | chemical element |
| Robin Hood hashing | 1986 | Pedro Celis | double hashing |
| Roller skates | 1760 | John Joseph Merlin | type of product |
| Rosette Nebula | 1871 | Lewis A. Swift | H II region |
| Rotoscoping | 1914 | Max Fleischer | animation technique |
| Ruthenium | 1844 | Karl Ernst Claus | chemical element |