...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 |
| 5236088 | Biomedical material shipment kit and method An orthopedic implant retrieval kit which, when assembled, provides a shipping and handling container for explanted orthopedic devices which will protect individuals handling the container from the material in the container, and which will meet the approp... | 08/17/1993 |