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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| Application No. | Application Title | Issue Date |
| 20070189762 | Unit for positioning a sheet of film to cover the tops of product groups A unit for positioning a sheet (1) of film (2) to cover the tops of product groups (3) comprises: a second roll (12) of film (2); a first carriage (13) that is slidably mounted on guide rails (14) running along an upper h... | 08/16/2007 |
