"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 5972638 | Method for detection of buried explosives using a biosensor The present invention provides a method for detecting buried explosives which exude vapors of the explosive chemical to the surface. A biological sensor that is applied on the surface produces a detectable signal when it is contacted by the explosive chem... | 10/26/1999 |