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 |
| 5787405 | Method and system for creating financial instruments at a plurality of remote locations which are controlled by a central office In the present invention, utilizing a data processing system at one location such as the home office, and another data processing system at a remote location such as a convenience store, an authorized convenience store employee may print financial instrum... | 07/28/1998 |
