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 |
| 6044377 | User-defined object type and method of making the object type wherein a file associated with a rule is invoked by accessing the file which generates code at run time A new user-defined object type and method of making the object type. A new object type is an m-file. M-files are files which require very little physical storage space, but appear to active processes to be a predetermined size up to the maximum user suppo... | 03/28/2000 |
| 5822588 | System and method for checking the use of synchronization locks in a multi-threaded target program The present invention is a system and method for "checking the use of synchronization locks in a multi-threaded computer program" (hereinafter "WARLOCK II"). In Warlock II a set of source code representing a process which includes multiple threads may be ... | 10/13/1998 |
| 5539680 | Method and apparatus for analyzing finite state machines A computer system for generating a summary of test coverage for a hardware description. The hardware description corresponds to a finite state machine (FSM). This embodiment requires at least one test vector. The computer system comprises a memory and a p... | 07/23/1996 |
| 5179647 | Method and apparatus for implementing adaptive forward differencing using integer arithmetic A method and apparatus for implementing adaptive forward differencing technique in integer arithmetic resulting in an increase in precision while minimizing the number of mathematical operations to be performed is disclosed. The method and apparatus of th... | 01/12/1993 |
| 5003497 | Method for three-dimensional clip checking for computer graphics A method for clip checking three dimensional images for display on a computer display system. The display system includes a computer having a central processing unit(CPU) coupled to a memory and a cathode ray tube (CRT) display. The method of the present ... | 03/26/1991 |
