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 |
| 7778512 | Light-pipe array system A light-pipe array system is provided. The system comprises a light projector that projects light, and a light-pipe array. The light-pipe array comprises a plurality of light-pipes. Each light-pipe comprises a dielectric transparent to the light, and an electrically... | 08/17/2010 |
| 7288873 | Device for emission of high frequency signals A device for emission of high frequency signals is provided. The emission device is capable of emission of signals in the Gigahertz (GHz) and Terahertz (THz) range. The device may utilize, for example, a cantilever comprising a material that is capable of altering i... | 10/30/2007 |
| 7280078 | Sensor for detecting high frequency signals A sensor that senses incident RF signals is provided. The sensor is capable of sensing signals in the Gigahertz (GHz) and Terahertz (THz) range. The sensor may utilize one or more cantilevers, an interferometer, or may be formed in a box-type configuration. ... | 10/09/2007 |
