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 |
| 6937161 | Traffic signal control method In traffic signal control for setting a green light time to a value between the lower limit time and the upper limit time in real time depending on a traffic volume sensed by vehicle sensors Sa, Sb, and so forth, the upper limit time Gmax is set longer wi... | 08/30/2005 |
| 4433324 | Device to promote the movement of buses by allocation of priority of crossing of an intersection controlled by traffic lights Priority is given to the movement of buses at intersections controlled by traffic lights, by lengthening the duration of the green lights on the street on which the bus approaches the intersection, and shortening the duration of the red lights, not only i... | 02/21/1984 |
