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Chandra X Ray Observatory Center: X Ray Pulsar
X-ray pulsars are explained. Features a Java applet that simulates a pulsar and allows the viewer to control the rotational speed.
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Harvard U.: Agency by Design: A Take Apart Toolkit: What We Learn From Unmaking
This article discusses the benefits of teaching students how to take things apart. Includes examples of how students record the process of disassembling something, what the parts are named, and their relationships of components to each...
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Harvard Business Review: What Robots Can Do for Retail
Retail robots are promising to free up workers from routine tasks, presumably giving humans more time for customer interaction. But that's only the beginning of what robots will do. The real benefit of retail robots will be the...
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Harvard Univ.: Project Zero: Agency by Design: Parts, Purposes, Complexities
This thinking routine helps learners slow down and make careful, detailed observations by encouraging them to look beyond the obvious features of an object or system. This thinking routine helps stimulate curiosity, raises questions, and...
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Harvard University: Project Zero: Agency by Design: Parts, People, Interactions
This thinking routine helps learners slow down and look closely at a system. In doing so, young people are able to situate objects within systems and recognize the various people who participate - directly or indirectly - within a...
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Harvard University: Project Zero: Agency by Design: Parts, Perspectives, Me
This routine helps students explore complexity by encouraging them to look closely at the details of something, considering its various viewpoints, users, and stakeholders, and reflecting on their own connections and involvement with it.
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Harvard University: Project Zero: Agency by Design: Take Apart [Pdf]
Mechanical dissections are a practice that allows learners to discover the often hidden design of objects and how the parts work together as a system.
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Harvard University: Project Zero: Agency by Design: Mapping Systems [Pdf]
The practice of mapping allows learners to build and demonstrate their understanding of the parts, people, and interactions that comprise a given system.
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Harvard University: Geoffrey Chaucer Page: William Langland "Piers Plowman"
Provides the text to William Langland's "Piers Plowman".
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The Geoffrey Chaucer Page: Lyric Poetry
A brief note about the English lyric poetry prior to Chaucer and how it relates to Chaucer's "tales." Links provided to related topics.
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The Geoffrey Chaucer Page: Lease Granted to Chaucer
The text of a 1374 lease document that sheds light on the legal affairs of Geoffrey Chaucer and the real world of The Canterbury Tales.
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The Harvard Chaucer Page: The Great Vowel Shift
This site from The Geoffrey Chaucer Page provides examples showing the difference between Chaucer's language and our own. The name of the site is the Great Vowel Shift and the text provided is medium in length, with several examples...
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The Harvard Chaucer Page: "Flower and the Leaf"
John Dryden's (1631-1700)translation from the middle English of a poem once attributed to Chaucer. Preface to The Fables (1700)Modern English translation by John Dryden of Chaucer's "The Flower and the Leaf."
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Harvard University: Games With Words: Learning the Names of Things
Play this game to help understand how babies learn the names of new objects.
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Open Collections Program: Chinese Exclusion Act (1882)
Read about the passage of the Chinese Exclusion Act in 1882, and what led up to the enactment of that law.
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Harvard University: Games With Words: Emotion Sense
A detailed assessment with thirty questions tests your understanding of different types of emotions and psychological states.
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Harvard University: Games With Words: Pronoun Sleuth
A study in the understanding of pronouns where participants choose the antecedent in sentences containing both real and nonsense words.
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Web Science Resources: A Brief History of Optics
This timeline compiles an enormous amount of historical information from the field of optics. From 300 BCE to the present, strategic experiments, findings, and theories are described.
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Substitution Matrices: Harvard University
Substitution matrices can be used to align two protein sequences.
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The Geoffrey Chaucer Page: Chaucer's Ransom
List of "Contributions for Ransoms Made by the King," which includes Chaucer's name and price (following his capture in France).
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Harvard's Chaucer Page: Compare Chaucer & Petrarch
Chaucer, in his "Canticus Troili" from Book One of "Troilus and Criseyda," draws from Petrarch's "If Love Does Not Exist." The former is written in Middle English, the latter in Italian, both without glossaries or further translation, so...