Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7177389 | X-ray tomography and laminography An apparatus for imaging objects with x rays using an x-ray tube, refractive x-ray lens and area detector. Cross sectional images of individual planes within an object are achieved through tomographic and laminographic exposure and image processing. The use of refra... | 02/13/2007 |
| 6992313 | X-ray and neutron imaging An x-ray or neutron apparatus for the transmission of x-ray or neutron images is described, which includes x-ray- or neutron-three-dimensional (3-D) arrays or mosaics, including a plurality of x-ray or neutron lenses positioned so that they form a two-dimensional (2... | 01/31/2006 |
| 6982006 | Method and apparatus for treating a substrate with an ozone-solvent solution A general method and apparatus for treating materials at high speed comprises the steps of dissolving a relatively high concentration ozone gas in a solvent at a relatively low predetermined temperature T1 to form an ozone-solvent solution with a relatively h... | 01/03/2006 |
| 6674054 | Method and apparatus for heating a gas-solvent solution This invention provides a method of quickly heating a gas-solvent solution from a relatively low temperature T1 to a relatively high temperature T2, such that the gas-solvent solution has a much higher dissolved gas concentration at temperature T2 than co... | 01/06/2004 |
| 6674583 | Fabrication of unit lenses for compound refractive lenses A compound refractive lens for focusing, collecting, collimating and imaging with x-rays comprising N unit lenses numbered i=1 through N unit lenses substantially aligned along an axis such that i-th lens having a displacement ti orthogonal to ... | 01/06/2004 |
| 6269145 | Compound refractive lens for x-rays In accordance with the present invention, a compound refractive lens for focusing, collecting and collimating x-rays comprising N individual unit lenses numbered i=1 through N, with each unit lens substantially aligned along an axis such that the i-th len... | 07/31/2001 |
| 6201851 | Internal target radiator using a betatron An apparatus is provided for generating high-intensity x-rays for medical, industrial, and scientific purposes. A thin radiator is placed inside a betatron as an internal target. The radiators are thin enough and the energy of the electron beam is high en... | 03/13/2001 |
| 5894776 | Table saw top and mitre bar A combination tablesaw top and mitre bar is provided which eliminates the play encountered in previous systems. In addition the manufacturing tolerances are much relaxed, leading to reduced cost and little if no operator adjustment. In a preferred embodim... | 04/20/1999 |
| 5890240 | Sheet roll up A drum for rolling up and unrolling protective covers has a driven pendulum within for applying a rotary moment to cause the drum to roll. The pendulum is powered in one rotary direction or the other by an electrical motor according to a signal from outsi... | 04/06/1999 |
| 5734500 | Binocular with extended monocular field A wide field monocular is provided which is essentially a wide field virtual telescope. Two of these monoculars can be placed side-by-side to achieve a binocular with an extended monocular field. Also for such binoculars with objective lenses larger than ... | 03/31/1998 |
| 5680708 | Temperature compensated tilt sensor A new tilt sensor system is disclosed which provides substantial temperature independence and is very inexpensive to build and to operate. The apparatus is made up of a first source of a first alternating signal having an output impedance Rs1 and a second... | 10/28/1997 |
| 5636059 | Cylindrical microlens external cavity for laser diode frequency control This invention relates to a simple, compact, and robust, cylindrical microlens external cavity for laser diode frequency control. The microlens system makes possible a tunable laser diode that utilizes an orthogonal pair of collimating microlenses to form... | 06/03/1997 |
