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فاطمة المزروعي وتشظيات الإبداع الأدبي : \دراسة\
الكتاب عبارة عن دراسة في إبداع الكاتبة الإماراتية المعروفة فاطمة المزروعي، ويسوغ المؤلف الخواجة أسباب تصديه لأعمال المزروعي، بأن هذه الكاتبة تفردت بالشمولية، وأن إنتاجها الإبداعي متميز يستحق أن يضاء عليه، فقد كتبت المزروعي الرواية، والقصة القصيرة، والمسرح، والشعر، وأدب الأطفال، كما نالت جوائز عديدة، وكرمت في محافل متنوعة، وإذا كانت المؤلفة قد دخلت ميدان الأدب بقوة، فإن ما يمكن قوله عن هذا الأدب أنه نوعي، ويتميز بالجدة والتجدد والابتكار، وأنه يعكس صورة مشرقة عن الأدب الإماراتي، وجاء الكتاب في سبعة فصول هي : في حدائق الرواية، في بساتين القص، في دوحة الشعر، في رحاب المسرح، في فضاءات المقالة، حوار من أجل الإبداع، ونماذج إبداعية وسيرة.
BOOK
Lauren Groff’s Unlettered Zed
In 2020, as she worked on her novel The Vaster Wilds, Lauren Groff was reading through all of Shakespeare’s plays. The Vaster Wilds is set in the late winter of 1610, during the “starving time” of the Jamestown colony, and her reading project was helping her to catch an ear for the language of the time––as an exercise, Groff reportedly wrote a version of the novel in blank verse. While The Vaster Wilds taps into the textures and rhythms of Shakespearean language, it tends to avoid citation or quotation, except in one part of the text: the names given to the servant girl whose escape from the Jamestown colony into the wilderness makes up the action of the novel. Through these appropriations of Shakespeare, the novel plays out an ambivalence about the relationship between words, writing, and power, working through multiple possibilities for how to evade or overcome the dominating force of names.
Journal Article
The work : searching for a life that matters
The Work is the story of how one young man traced a path through the world to find his life's purpose. Wes Moore graduated from a difficult childhood in the Bronx and Baltimore to an adult life that would find him at some of the most critical moments in our recent history: as a combat officer in Afghanistan; a White House fellow in a time of wars abroad and disasters at home; and a Wall Street banker during the financial crisis. In this insightful book, Moore shares the lessons he learned from people he met along the way--from the brave Afghan translator who taught him to find his fight, to the resilient young students in Katrina-ravaged Mississippi who showed him the true meaning of grit, to his late grandfather, who taught him to find grace in service.--Back cover.
Book
Socioeconomic Status and Macroeconomic Expectations
We show that individuals’ macroeconomic expectations are influenced by their socioeconomic status (SES). People with higher income or higher education are more optimistic about future macroeconomic developments, including business conditions, the national unemployment rate, and stock market returns. The spread in beliefs between highand low-SES individuals diminishes significantly during recessions. A comparison with professional forecasters and historical data reveals that the beliefs wedge reflects excessive pessimism on the part of low-SES individuals. SES-driven expectations help explain why higher-SES individuals are more inclined to invest in the stock market and more likely to consider purchasing homes, durable goods, or cars.
Journal Article
Deep laser microscopy using optical clearing by ultrasound-induced gas bubbles
Although laser scanning microscopy is a pivotal imaging tool in biomedical research, optical scattering from tissue limits the depth of the imaging. To overcome this limitation, we propose a scheme called ultrasound-induced optical clearing microscopy, which makes use of temporary, localized optical clearing based on ultrasound-induced gas bubbles. In this method, bubbles are generated by high-intensity pulsed ultrasound at a desired depth and subsequently maintained by low-intensity continuous ultrasound during imaging. As a result, optical scattering and unwanted changes in the propagation direction of the incident photons are minimized in the bubble cloud, and thus the laser can be tightly focused at a deeper imaging plane. Through phantom and ex vivo experiments, we demonstrate that ultrasound-induced optical clearing microscopy is capable of increasing the imaging depth by a factor of six or more, while the resolution is similar to that of conventional laser scanning microscopy.Optical clearing based on ultrasound-induced gas bubbles offers new opportunities for deeper laser scanning microscopy of biological tissue.
Journal Article
Digitally synthesized beat frequency multiplexing for sub-millisecond fluorescence microscopy
Fluorescence imaging is the most widely used method for unveiling the molecular composition of biological specimens. However, the weak optical emission of fluorescent probes and the trade-off between imaging speed and sensitivity
1
are problematic for acquiring blur-free images of fast phenomena, such as sub-millisecond biochemical dynamics in live cells and tissues
2
, and cells flowing at high speed
3
. Here, we report a technique that achieves real-time pixel readout rates that are one order of magnitude faster than a modern electron multiplier charge-coupled device—the gold standard in high-speed fluorescence imaging technology
4
. Termed fluorescence imaging using radiofrequency-tagged emission (FIRE), this approach maps the image into the radiofrequency spectrum using the beating of digitally synthesized optical fields. We demonstrate diffraction-limited confocal fluorescence imaging of stationary cells at a frame rate of 4.4 kHz, and fluorescence microscopy in flow at a velocity of 1 m s
−1
, corresponding to a throughput of approximately 50,000 cells per second.
A confocal fluorescence microscopy scheme that maps the image to the radiofrequency spectrum by beating together two optical fields offers enhanced read-out speeds at kilohertz frame rates. It provides a new way for observing dynamic phenomena in cells.
Journal Article
دولة \الصالح\ وسيناريو السقوط
يوفر هذا الكتاب وصفا دقيقا ناقدا للأوضاع في فترة ما قبل انتهاء فترة الرئيس صالح، ويحدد أسباب السقوط المتوقع إن لم تنته فترة الرئيس بشكل سلمي\". إذا هكذا كان الماوري قد توقع سقوط الرئيس صالح في وقت ربما لم يكن لأحد أن يؤمن تماما باحتمالية تحققه آنذاك. أما الآن فقد بات سقوط الرئيس علي عبد الله صالح وحكمه الممتد منذ 33 عاما أمر واقع لا مفر منه، بل إن رحيله عن السلطة لم يعد سوى مسألة وقت، إن لم يكن أمامه أيام معدودة، لا أكثر ولا أقل. ذلك بعد أن دخلت الاحتجاجات المطالبة برحيل صالح عن السلطة شهرها الثالث، لتجتاح مختلف محافظات اليمن، وتتوحد كل القوى اليمنية وفئات المجتمع المختلفة على مطلب واحد هو \"الرحيل\"، وهو مشهد يكاد يكون الأول من نوعه في تاريخ اليمن الحديث، وبرحيل صالح سيطوي اليمنيون 33 عاما من الفقر والحرمان والظلم والحروب.
Book
Three-state nematicity and magneto-optical Kerr effect in the charge density waves in kagome superconductors
The kagome lattice provides a fascinating playground to study geometrical frustration, topology and strong correlations. The newly discovered kagome metals AV
3
Sb
5
(where A can refer to K, Rb or Cs) exhibit phenomena including topological band structure, symmetry-breaking charge-density waves and superconductivity. Nevertheless, the nature of the symmetry breaking in the charge-density wave phase is not yet clear, despite the fact that it is crucial in order to understand whether the superconductivity is unconventional. In this work, we perform scanning birefringence microscopy on all three members of this family and find that six-fold rotation symmetry is broken at the onset of the charge-density wave transition in all these compounds. We show that the three nematic domains are oriented at 120° to each other and propose that staggered charge-density wave orders with a relative π phase shift between layers is a possibility that can explain these observations. We also perform magneto-optical Kerr effect and circular dichroism measurements. The onset of both signals is at the transition temperature, indicating broken time-reversal symmetry and the existence of the long-sought loop currents in that phase.
The interplay between superconductivity that might break time-reversal symmetry and charge order is a key issue in kagome materials. Now, optical measurements show that spatial and time-reversal symmetries are broken at the onset of charge order.
Journal Article