Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 4192668 | Desiccant and defoliating spray composition for leguminous plants Spray oil compositions capable of defoliating and/or desiccating the foliage of leguminous plants so as to facilitate the harvesting thereof are disclosed. The parameter of properties constituent oils must have to provide these effects is given.... | 03/11/1980 |
| 4110628 | Solar sea power system Described is an ocean thermal energy conversion system wherein floating, submerged and fixed drilling platforms installed offshore primarily for exploration and/or production of hydrocarbons serve also as working and supportive bases for means for produci... | 08/29/1978 |
