...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!
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7340807 | Pouch and resealable closure mechanism therefor including a plurality of interlocking closure elements A resealable closure mechanism includes first and second closure strips. The first closure strip includes a plurality of discontinuous closure elements and the second closure strip includes a plurality of discontinuous closure elements. One or more of the discontinu... | 03/11/2008 |