...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 |
| 5764976 | Method and system of deadlock detection in a data processing system having transactions with multiple processes capable of resource locking A deadlock detection system and method that checks the state of a lock owning process and the duration of the lock before adding an edge to the wait-for graph. If the lock owning process is not in the wait state and the lock is of medium duration, no edge... | 06/09/1998 |