Khan's Lectures: Handbook of the Physics of Radiation Therapy will provide a digest of the material contained in The Physics of Radiation Therapy. Lectures will be presented somewhat similar to a PowerPoint format, discussing key points of individual chapters. Selected diagrams from the textbook will be used to initiate the discussion. New illustrations will used, wherever needed, to enhance the understanding of important concepts. Discussion will be condensed and often bulleted. Theoretical details will be referred to the textbook and the cited literature. A problem set (practice questions) will be provided at the end of each chapter topic.
What if we could unlock the potential in every child? As it turns out, we can. Apple's iconic cofounder Steve Jobs had a powerful vision for education: employing technology to make an enormous impact on the lives of millions of students. To realize this vision, Jobs tapped John D. Couch, a trusted engineer and executive with a passion for education. Couch believed the real purpose of education was to help children discover their unique potential and empower them to reach beyond their perceived limitations. Today, technology is increasingly integrated into every aspect of our lives, rewiring our homes, our jobs, and even our brains. Most important, it presents an opportunity to rewire education to enrich and strengthen our schools, children, and society In Rewiring Education, Couch shares the professional lessons he's learned during his 50-plus years in education and technology. He takes us behind Apple's major research study, Apple Classrooms of Tomorrow (ACOT), and its follow-up (ACOT 2), highlighting the powerful effects of the Challenge-Based Learning framework. Going beyond Apple's walls, he also introduces us to some of the most extraordinary parents, educators, and entrepreneurs from around the world who have ignored the failed promises of memorization and, instead, utilize new science-backed methods and technologies that benefit all children, from those who struggle to honor students. Rewiring Education presents a bold vision for the future of education, looking at promising emerging technologies and how we—as parents, teachers, and voters—can ensure children are provided with opportunities and access to the relevant, creative, collaborative, and challenging learning environments they need to succeed.
At the beginning of the twelfth century, the region around Paris had a reputation for being the land of unruly aristocrats. Entrenched within their castles, the nobles were viewed as quarrelling among themselves, terrorizing the countryside, harassing churchmen and peasants, pillaging, and committing unspeakable atrocities. By the end of the century, during the reign of Philip Augustus, the situation was dramatically different. The king had created the principal governmental organs of the Capetian monarchy and replaced the feudal magnates at the royal court with loyal men of lesser rank. The major castles had been subdued and peace reigned throughout the countryside. The aristocratic families remain the same, but no longer brigands, they had now been recruited for royal service. In his final book, the distinguished historian John Baldwin turned to church charters, royal inventories of fiefs and vassals, aristocratic seals and documents, vernacular texts, and archaeological evidence to create a detailed picture of the transformation of aristocratic life in the areas around Paris during the four decades of Philip Augustus's reign. Working outward from the reconstructed biographies of seventy-five individuals from thirty-three noble families, Baldwin offers a rich description of their domestic lives, their horses and war gear, their tourneys and crusades, their romantic fantasies, and their penances and apprehensions about final judgment. Knights, Lords, and Ladies argues that the aristocrats who inhabited the region of Paris over the turn of the twelfth century were important not only because they contributed to Philip Augustus's increase of royal power and to the wealth of churches and monasteries, but also for their own establishment as an elite and powerful social class.
In this second collection of biographical accounts of Romantic writers, the characters of Keats, Coleridge and Scott are recalled by their contemporaries, offering insights into their lives and writings, as well as into the art of 19th-century biography.
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