Inventions & discoveries: P
16 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| Palladium | 1803 | William Hyde Wollaston | chemical element |
| Palomar 6 | 1952 | George O. Abell | globular cluster |
| Path analysis | 1920 | Sewall Wright | statistical method |
| Pavo | 1597 | Petrus Plancius | constellation |
| Phantom time conspiracy theory | 2000 | Heribert Illig | conspiracy theory |
| Phoenix | 1597 | Petrus Plancius | constellation |
| Pictor | 1756 | Nicolas Louis de Lacaille | constellation |
| Pilgrim flask (E 10094) | 1926 | Fernand Bisson de la Roque | ampoule |
| Pisot–Vijayaraghavan number | 1912 | Axel Thue | mathematical concept |
| Plutonium | 1941 | Joseph W. Kennedy | chemical element |
| Promethean match | 1828 | Samuel Jones | — |
| Protactinium | 1917 | Kazimierz Fajans | chemical element |
| Proximity chat | March 2020 | Almas Abulkhairov | Internet genre |
| Punic Tabella Defixionis | 1899 | Paul Gauckler | curse tablet |
| PwnKit | November 18, 2021 | Qualys | named vulnerability |
| Pyxis | 1752 | Nicolas Louis de Lacaille | constellation |