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January 30, 2009     Heritage Florida Jewish News
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'PAGE 16A HERITAGE FLORIDA JEWISH NEWS, JANUARY 30, 2009 Technion researchers use fiber optic cables to detect tunnels measure these strains in the soilwith sensitive equipment, you can find the tunnel's location." Tunnel excavation has a distinctive signal that is very different from those of distur- bances, he adds. The research lays the groundwork for the initial stages of an underground fence based on an existing technology called BOTDR (Brillouin optical time do- main reflectometry) that makes it possible to measure With the same type of fiber optic cables used in teleCom- munications systems, re- searchers from the Technion- Israel Institute of Technology have developed a way to detect and pinpoint the excavation of tunnels during times of war. such as those used for smug- gling weapons into Gaza. The findings will be presented at the Defense. Security and Sensing Conference of SPIE (an international society ad- vancing light-based research) in April 2009 in Orlando. Principal researchers Dr. Assaf Klar and Dr. Raphael Linker. both of the Technion faculty of civil and environ- mental engineering, say the system is capable of locat- ing even narrow tunnels at depths greater than 60 feet with a limited number of false alarms. "Tunnel excavation is ac- companied by the release of stresses that cause perma- nent--thoughverytiny dis- placements and strains in the ground," says Klar. "If you can fiber distortion along 15 miles using one device. The proposed system is based on "wavelet decom- position" of the continuous BOTDR signal, a process that breaks down the signal profile into simpler shapes, and then filters out any irrelevant sig- nals ("noise"). The signals that remain are then characterized by a neural network that has been trained to locate tunnels using computer simulation of tens of thousands of profiles, including disturbances not related to tunneling (examples include raindrops). "The ability of the BOTDR approach to supply a continu- ous profile of soil distortions along the fiber optic line--and the ability of the neural net- work to identify the relevant profile that characterizes the excavation--are the keys to the system's success," says Linker. The Technion-Israel lnsti- tute of Technology is Israel's leading science and technol- ogy university. Home to the country's winners of the Nobel Prize in science, it commands a worldwide reputation for its pioneering work in nanotech- nology, computer science, biotechnology, water-re- source management, mate- rials engineering, aerospace and medicine. The American Technion Dr. Assaf Klar is a leading researcher in Israel, where he has helped develop a way to detect the excavation of tunnels during wartime. Society (ATS), based in New porting higher education in York City, is the leading Israel, with 22 offices around American organization sup- the country. theater in the 20th century will be on view during the first-ever exhibition of the her spouse and collaborator Yonkel (Jacob) Kalich. The American Jewish His- Life: The Scrapbooks of Molly Picon." starting Jan. 26 in the Paul S. and Sylvia Steinberg Great Hall at the Center for Jewish History, 15-W. 16th St. in New York City. The exhibit is scheduled to close Sept. 30. From 1919 to 1967. Molly and Yonkel kept scrapbooks primarily in Yiddish and Eng- lish that brim with clippings, reviews and interviews, fan letters, programs, telegrams and other ephemera. The orig- inal 22 scrapbooks. "the bulk of them digitized, Chronicle Molly's prolific career in real time and gs she and Yonkel wanted to remember it. These personal documents serve as the centerpiece for the exhibition, which also includes posters, photographs, scripts and correspondence from the American Jewish Historical Society (AJHS) collection and material from the YIVO Institute archive, a fellow partner at the Center for Jew- ish History. The scrapbooks There's a difference in our service i You'll see it in your yard Maurice Lawn Care Maintenance. Landscaping. Irrigation 407.462.3027 mauricelawncare@yahoo.com American Jewish Historical Society Movie poster advertises Molly Picon starring in "French Vodvil" at The Alhambre in Paris in 1936. are part of the Molly Picon Papers, which Molly donated to AJHS in the early 1970s. Recently, AJHS digitized the scrapbooks because they are in fragile condition. This is the first--and likely only--time the original material will be publicly displayed. "Using 21st-century tech- nology, we have preserved these documents and made them available online so that future generations will have access to this extraordinary chapter of American Jewish cultural history," said Evan Kingsley, AJHS executive director. Fundingfor the digitization of the Molly Picon scrapbooks came from the Mellon Foun- dation project at the CJH. with scanning done by the Gruss Lipper Digital Lab at CJH. The lab also provided cataloging and other services so that the materials can be searched on- line through DigiTool . Born Margaret Pyekoon on Feb. 28, 1898, on the Lower East Side, Molly was unusual among Yiddish the- ater performers in that she learned to speak the language properly only after Yonkel took her to Eastern Europe. Starting in the Yiddish the- aters of New York's Second Avenue and later moving to Broadway and Hollywood, Molly delighted Jewish and non-Jewish audiences around the globe. Known as "the darling of Second Avenue," she appeared on staged from South America to pre-state Palestine in such shows such as Yonkele, Shmendrik and Mamele. She later appeared in mainstream plays and films and on radio and television. She may perhaps be best known for her 1971 role as "Yente the Matchmaker" in Norman Jewison's film version of Fiddler on the Roof. "AJHS is able to preserve these historically impor- tant-and delicate ma- terials while making them the American Jewish Histori- cal Society. "The Picon exhibi- tion demonstrates the critical role of archives in connecting the past to the future." The exhibition was curated by Ari Y. Kelman. Assistant Professor of American Stud- ies at University of California. .Davis and author of Station Identification: A Cultural History of Yiddish Radio in the United States. for which he studied the Picon scrap- books. He also serves on the managing board of editors for the AJHS quarterly academic journal American Jewish History. "The scrapbooks chronicle first-hand Molly and Yonkel's performances in Eastern Europe for Holocaust survi- vors and displaced persons, their entertainment of troops during the Korean War and their ongoing suppoi;t for the State of Israel through such activities as selling bonds and playing before the Knesset." Kelman said. "What emerges is a fuller understanding of the social and cultural his- tory of Yiddish theater on a global level during4he 20th century." The American Jewish His- torical Society provides access online, in-house and through publications, exhibitions and scholarship, to more than 20 million documents and 50.000 books, photographs. art and artifacts that reflect the Jewish presence in the United States from 1654 to the present. Founde~ in 1892, AJHS is the oldesf'national ethnic historical organization in the nation. It is one of five partner organizations at the Center for Jewish History in Manhattan and has a branch at Hebrew College in Boston. For more information, see www.ajhs.org. NEW YORK A highly scrapbooks of legendary torical Society will present accessible to the public," said personal account of Yiddish performer Molly Picon and "Pages from a Performing Daniel Kaplan, president of Molly Picon scrapbooks on exhibit for first time