We demonstrate new optical techniques for externally controlling the latchable output power of a semiconductor-optical-amplifier-based flip-flop. Optical 'set' and 'reset' signals increase and decrease the re-fractive index, respectively, via cross-phase modulation (XPM). Set signals, which deplete the carrier density, have wavelengths between 1533 and 1568 nm, and powers as low as 22 microW. R...

1302 Learning from an Acid Rain Program a How Bad Is Acid Rain? a Going for Broke on a Megamodel 1305 NIH Takes Heat for Lax Investigation If at First We Don't Succeed ... 1306 Gallo Challenged on HIV Isolates a NCI Colaborations Suspended 1307 Science Television: Colleagues on Cable 1308 Science's 20 Greatest Hits Take Their Lumps * Top 20: Hits of Duds? 1310 Briefings: Indian Geologist Suspen...

During the period 1981-1985, 1306 patients with acute poisoning were admitted to Ga-Rankuwa Hospital. Of these 60% were males and 40% females. The majority (80%) were children aged 10 years or less. Sixty patients (4.6%) died. Most poisonings were accidental and only 4.0% were due to deliberate self-poisoning. The most important causes of acute poisoning were kerosene (59%) and traditional medi...

The article raises questions concerning additional aspects of digitalization and simplification the procedure for legal grounds driving vehicles. current state regulation this sphere relations in society is considered. proposals on fixing norms that would additionally regulate further enable introduction an electronic system identification driver's identity, without presenting a license; elimin...

This study empirically analyzes the alleged existence of political budget cycles in Indonesian local governments. Using panel data, this quantitative concentrates on capital expenditures, grant and social assistance expenditures election year before election. The purposive sampling method is used to take sample—a government that experienced two from 2012 2018. sample consists 1306 observational...

قناع النبی أیوب(ع) بین محمود درویش وبدر شاکر السیاب الملخص تلقی هذه الدراسة نظرة علی توظیف الموروث الدینی واستدعاء شخصیة أیوب النبی (القناع) فی شعر الشاعرین المعاصرین، هما؛ محمود درویش وبدر شاکر السیاب، وذلک باستقراء مجموعة من أشعارهما التی استخدما فیها شخصیّة أیوب. ومن الأقنعة الهامة التی استخدمها الشعراء المعاصرین یمکن الإشارة إلی قناع الأنبیاء، وخاصة قناع أیوب الذی جاء ذکره فی القرآن، وتمثّل ...