Online courses directory (19947)

This engineering course is an introduction to photonic materials and devices structured on the wavelength scale. Generally, these systems will be characterized as having critical dimensions at the nanometer scale. These can include nanophotonic, plasmonic, and metamaterial components and systems.

This course may be useful for advanced undergraduates with the prerequisites listed below; graduate students interested in incorporating these techniques into their thesis research; and practicing scientists and engineers developing new experiments or products based on these ideas.

A first-time MITx/HarvardX collaboration, VJx opens windows on Japan’s transition into the modern world through the historical visual record.

这是一门面向人文和社科类学生的化学课程。

A House Divided: The Road to Civil War — Discover how the issue of slavery came to dominate American politics, and how political leaders struggled and failed to resolve the growing crisis in the nation.

学习运用计算思维分析社会学、经济学问题的方法，加深对某些生活现象的理解，体会计算与社会科学的互动。

Are you a (project) engineer with a technical background but lack management knowledge? Are you eager to improve project performance and want to expand your knowledge?

This business and management course will focus on the necessary project management skills to successfully manage projects, distinguishing three areas:

• The project manager and the team
• The project process
• The project context

The course focuses on the early project phases, including examples from technical projects within various sectors and industries (amongst others, but not limited to, infrastructure projects and construction projects).

At the end of this course, you will have created your own project execution plan, either in a team effort or on individual basis. Of course the team effort allows for a special learning experience and we appraise active team participation

LICENSE

The course materials of this course are Copyright Delft University of Technology and are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike (CC-BY-NC-SA) 4.0 International License.

Feeding nine billion people in 2050 without exhausting the planetary reserves is perhaps the greatest challenge mankind has ever faced. This environmental studies course will examine the principles of production ecology and the ‘availability pillar’ of global food security that lie at the heart of food production, which can be applied to both crops and animal production. This course will discuss why yields in some parts of the world are lagging behind and identify the agro-ecological drivers that shape the wide diversity of production systems.

Furthermore, key issues relating to the closing of yield gaps and the difference in visions of sustainability will be explored.

This online course will be of great interest to international students and those with varied educational backgrounds, both professionally and culturally, to enrich their views and action perspectives related to global food security and food systems. Professor Ken E. Giller will introduce learners to crop production and underlying bio-physical principles in order to identify constraining factors in yield formation. He will explain how to assess yield gaps at the level of fields and production systems around the world, contributing to efficient resource management. Wageningen University and Research, through its unique systems-based approach to food systems, adds the phase of primary production to the broad context of global food security.

本课以中国古代政治史、制度史演变的大势为主要线索，使同学对中国古代史的发展有一个比较清晰的框架。本课同时关注中华民族形成、中国版图形成等重大问题的历史进程，并努力把握各个历史阶段在中国古代政治、制度、经济、社会发展演变上的特色。在讲授过程中，将历史学的知识性与学术性相结合，尽量吸取学界较新研究成果，希望增强同学们对中国古代史的兴趣并引发同学们的思考。

本课程将讲解汉语作为第二语言学习中学习者最容易发生偏误的12个汉语最基本的语法项目，帮助学习者进一步理解、掌握这些语法项目在句法、语义及语用上的特点。

Improve your Chinese language proficiency in this intermediate Chinese grammar course. You will explore 12 complex grammatical concepts to help learners studying Chinese as a second language gain a better understanding of Chinese grammar, including syntax, semantics and pragmatics. 

课程中提供了大量的语法练习题目，以帮助学习者提高在语境中准确运用语法知识进行表达的能力，包括读、说、写、译等各种技能。

This course contains many exercises to help you improve skills in reading, speaking, writing and translating accurately and fluently.

本课程也将帮助学习者了解汉语作为一门语言，她自己具有的独特特点，帮助学习者建立起用汉语进行思考的意识。

This Chinese grammar course will also help you better understand the characteristics of the Chinese language. This course is for learners who want to improve their Chinese proficiency, and use Chinese as a second language with accuracy and fluency. Course participants will learn more than just the basics in this course as it covers more than 1,500 words!

本课程包括教学视频，每个视频时间为10分钟左右。每个教学单元中包括一个课后作业，还有一个期中考试和期末考试。

The class will consist of lecture videos, which are approximately 10 minutes in length. There will also be standalone assignments that are not part of video lectures in each teaching unit, a midterm exam and a final exam.

FAQ

在这门课上最吸引我的可能是什么？

What is the most attractive thing in this class?

在这门课上，你将发现汉语语法非常有意思，你不但可以听老师告诉你汉语语法的规律，而且你自己也可以发现汉语语法的规律。最酷的是，你会有很多的机会运用汉语的语法知识进行自我表达。

In this class, you will find Chinese grammar is very interesting. You can explore the Chinese grammar rules by yourself with the teacher’s help. The coolest thing is that you have quite a lot of opportunities to express yourself in Chinese.

学习这门课，可以用哪本教材？

Which textbook will be used?

《中级汉语语法讲义》，徐晶凝，北京大学出版社，2008。

Today, you are the law.

What does it mean to be a citizen? It means to participate in your society, to connect with others, and to decide, with them, the issues that you face.

It starts with you.

We need to learn to talk civilly with each other about the issues of consequence, but are we capable of learning how to speak together, listen together, and decide together?

In JuryX: Deliberations for Social Change, an experiment in online civic discourse, you are invited to engage with Professor Nesson and others with an understanding that each of us starts from a place of anonymity. Through a series of asynchronous and synchronous online group activities, you will explore a deliberative system by which emotionally charged issues can be discussed.

Although you will learn a bit about the history of jury and even serve as a member of a virtual jury for a mock criminal case, this experiment is about active participation in the deliberative process and how you might use that framework to facilitate dialogue within your own affinity group or community.

The program consists of six modules. Each week, you will learn and apply a new step in a system designed to foster meaningful dialogue. Starting with an introduction to the course’s deliberative framework, you will move from a traditional jury-based application to a live social issue unfolding in real time: the Massachusetts referendum for the “Legalization, Regulation, and Taxation of Marijuana.” As citizens of the Commonwealth of Massachusetts deliberate on this issue, so will you and your JuryX peers. What arguments will shape this debate, and what will the final outcome be?

Can we, civilly, discuss an issue like marijuana regulation?

Two synchronous small-group online deliberations will be held using Google Hangout. Participation is optional, but highly recommended.

JuryX: Deliberations for Social Change is, ultimately, about the most fundamental of human interactions: communication. By listening, speaking, persuading, and being persuaded, you will learn about yourself and others.

If you have faith, faith will be given to you.

Honor Code
HarvardX requires individuals who enroll in its courses on edX to abide by the terms of the edX honor code. HarvardX will take appropriate corrective action in response to violations of the edX honor code, which may include dismissal from the HarvardX course; revocation of any certificates received for the HarvardX course; or other remedies as circumstances warrant. No refunds will be issued in the case of corrective action for such violations. Enrollees who are taking HarvardX courses as part of another program will also be governed by the academic policies of those programs.

Research Statement
HarvardX pursues the science of learning. By registering as an online learner in an HX course, you will also participate in research about learning. Read our research statement to learn more.

Nondiscrimination/Anti-Harassment
Harvard University and HarvardX are committed to maintaining a safe and healthy educational and work environment in which no member of the community is excluded from participation in, denied the benefits of, or subjected to discrimination or harassment in our program. All members of the HarvardX community are expected to abide by Harvard policies on nondiscrimination, including sexual harassment, and the edX Terms of Service. If you have any questions or concerns, please contact harvardx@harvard.edu and/or report your experience through the edX contact form.

本课程是素质教育通识课程，具有典型的自然科学课程的特征。课程将简明扼要地介绍地震学的基本概念以及研究的方法，内容包括地震学史、地震仪原理与 地震图、地震波的传播理论、地球内部结构、勘探地震学、地震预报、临震措施和地震学最新进展。通过本课程的学习， 将会提升学生的自然科学素质，增强学生的抗震减灾意识以及提升学生的临震逃生能力。作为完成课程学习的要求，学生需要熟悉有关章节的内容，独立且正确地完 成课后练习，积极参与课程论坛讨论和其他活动。课程成绩将由在线小测验和期末考试组成，其中在线小测验占40％，期末考试占60％，总分达到60分可以获 得课程完成证书。

点击上方绿色按钮报名。

INQ101x is designed with K-12 teachers in mind. Teacher candidates, higher education instructors, and other educators may also find it relevant. In six weeks, we discuss some of the major themes and challenges of integrating inquiry and technology as a community of practitioners. We collect and share resources and exchange ideas about what works for specific topics and age groups.

Media literacy helps us understand, analyze and create media. While we rely on good journalism to provide accurate information, we also have responsibilities of our own in this media-saturated environment. We can no longer be passive consumers of media. We need to be active users of media, as readers, listeners, viewers and creators, so we are all better informed. Our goal is to help you do just that.

En el curso veremos una definición analítica de la Gestión Participativa y cómo implantar y medir el grado de despliegue de las prácticas de alta implicación (HIWP) en las empresas.

También analizaremos como se pueden medir los resultados de estas prácticas.

或许你对机器人还很陌生，但实际我们正大踏步进入机器人时代，机器人技术正逐渐渗入我们的生活的方方面面。再不了解机器人，你可能就out(落伍)了。

本课程主要以图片和视频的形式，生动形象地向学生展示机器人技术的前世今生。让学生了解机器人到底是怎么回事，机器人在实际中都有已哪些应用和将要有哪些应用，机器人技术在如何迅猛发展。

本课程不需要任何先修课程和前期知识，也没有任何入门技能的要求。

点击上方绿色按钮报名。

The Internet of Things is rapidly growing. It is predicted that more than 25 billion devices will be connected by 2020.

In this data science course, you will learn about the major components of the Internet of Things and how data is acquired from sensors. You will also examine ways of analyzing event data, sentiment analysis, facial recognition software and how data generated from devices can be used to make decisions.

Our lives are full of combinations. Combinatorial mathematics is just the science to deal with combinations of discrete items. As an ancient field, the history of combinatorial mathematics can be traced back over 4000 years to the age of the Great Yu in ancient China. Today, combinatorial mathematics is regarded as the basis of computer science since the algorithms in programming heavily rely on the analysis of the discrete elements.

FAQ

I don’t speak Chinese, can I learn the course?

All the materials are in English. Though the original video was recorded in Chinese, the course team record the corresponding dubbing in English. All the audio and subtitles are processed to fit the English dubbing as much as possible, so that you can enjoy this wonderful course in English.

What are the textbook and the reference books for this course?

There is no textbook requirement for this course. The handouts distributed every week are critical. The following books are references

• Richard A. Brualdi; Introductory Combinatorics (5^th edition), Pearson, 2009
• J.H.van Lint and R.M. Wilson; A course in Combinatorics, Cambridge University Press, 2001
• 卢开澄,《组合数学》第四版,清华大学出版社

What is the grading breakdown?

• 70% quizzes and exercises
• 30% final exam

How can I get the certificate?

If your final score is no less than 60.

Do I need to know how to program to learn this class?

Not necessary. This course is a math course which is based on fundamental theory. But to help the students to have the intuitive feel of the effects of the theory, we also provide a code lib that you can compare different implementations by running different programs.    

Want to learn how to integrate technology into your classroom? This education and teacher training course takes us to the intersection of research and actual classroom practice. It brings together thought leaders, campus leaders, and practicing teachers to provide a practical framework for integrating technology into K12 teaching and learning.

Course videos are presented in Mandarin with English subtitles.

If you are having difficulty viewing this video in mainland China, you can also find it here.

课程介绍视频也可以访问中国网站

This course was first offered at Peking University in 2008 as a Public Elective Course, and subsequently as a Course for General Education. It is now being offered globally as one of Peking University’s MOOCs. 

课 程所涉不仅涵盖古典音乐如新古典主义、表现主义、民族主义等流派，也对爵士乐、摇滚乐与流行音乐在20世纪的风格情状投以深切关注；在将包括中国音乐在内 的世界各国民族民间音乐纳入20世纪大背景予以研究探索之同时，关于大型综合艺术品例如歌剧、音乐剧、电影音乐的考察与分析，也设为专题，绝无偏废。

课 程以20世纪西方音乐为主体内容，在清晰贯穿历史线索和侧重史观发展之同时，尤为强调音乐聆听能力的培养，增进音乐知识的积累，凸显理论与实践相结合的开 课理念。什么是音乐、什么是20世纪西方音乐、什么是有效聆听成为全课核心知识支柱，引导学生探查关于20世纪西方音乐的三种聆听模式，以期对关于20世 纪西方音乐文化诸多现象形成多视角、多维度、多方法、多接口的认识与理解，从而为学生开拓眼界、触类旁通、多学科交叉、创造力之发展，完美人格之形成，提 供实际而扎实的服务。

点击上方绿色按钮报名。

Addressing students' interests in 20th century Western Music Culture and incorporating music theory, the course examines 20th century Western music. By combining theory and practice, the course not only aims to provide a clear view of the historical development of the music, but also emphasizes the training of aural skills and the accumulation of musical knowledge. The course covers not only classical music, such as neo-classical, expressionism, nationalism and other genres, but also explores in depth jazz, rock, and pop music of the 20th century. While studying Chinese music and other forms of national folk music in the 20th century world music context, students will also analyze large and complex works such as opera, musicals, and film music. By enhancing students’ understanding of 20th century Western music (classical music, pop music, folk music, comprehensive art) as a foundation, three core questions will be addressed: what is music, what is the 20th century Western music, and what is effective listening? The course aims to guide students to examine the three listening modes of 20th century Western music with the hope of forming a diverse and multi-faceted, knowledge and understanding of the 20th-century Western music culture phenomena, expanding students’ horizons, enhancing their ability to reason by analogy, and promoting cross-disciplinary, creative development.

The course is one of the PKU-DeTao MOOCs, which is a joint effort by Peking University and DeTao Masters Academy. 该课程是“北大-德稻网络开放课程”中的一门，由北京大学与德稻教育联合提供。

How can I get access to reading materials?

Please download the materials from designated websites. Western Music in the 20th Century is the main textbook.
 

如何获得课后阅读材料？
在指定网站下载课后阅读材料，以《20世纪西方音乐》为主要教材。

How can I have access to the listening resources?

Please visit the designated websites to complete the listening exercises.

如何获得课后聆赏素材资源？
在指定网址链接点击课后指定聆赏的音视频资源。

How can I finish assignments?

Written and listening exercises will be a part of this course. Please submit them to the specified mailbox after completion.
 

如何完成课后作业？
课后作业依照情况而定，分为文字作业和聆听作业，完成后直接提交到指定邮箱。

What will the exams be like for this course?

The exams will be open-book written assignments.

如何考试？
考试将采取开卷考试方式，根据不同学生群体情况，或以论文形式，或以在线考试，或以作业完成情况最终确定成绩。

How will scores be calculated?

The grading weights will vary per topics and tasks. Generally, all students can pass the course by completing all specified assignments. The passing score will be primarily decided by the final exam. 

考试成绩的计算？
不同学期课题，不同学习任务，教师将及时调整考试成绩的计算方式。一般情况，在完成课程所指定任务的前提下，学生可以百分之百通过考试。分数确定主要以期末考试为主，期中考试是否举行，以情况而定。

Can I submit graded assignments late?

No.
如果考试方式是论文，是否允许延迟上交？
绝对不允许。

How can I best engage with online learning for this course?

Apart from the questions gained from the micro lectures, students can also get their questions answered via e-mail, and have access to the discussion forum and online interest groups.

在线学习如何进行？
课程所提供的课前短课视 频系必读内容，在课后阅读、课后作业和课后聆赏完成过程中，产生的所有问题将被汇总，由教师或以文字邮件的方式或以视频短课录制的方式做出回答。此刻，教 师将根据学生的问题及时安排在线答疑、在线讨论，并发挥网络教学的便利，建立课程讨论区，组织兴趣小组

What is the role of the on-campus class for this course?

The on-campus course will serve students who can attend the class for lectures, which are then recorded and released online.

教师课堂面授的作用？
为服务可以出席面授的学生，本课程将在在线学习之外，安排固定时间固定长度的教师课程面授，教学活动将被录制，在线发布，以保证在线学习学生的需求。

Will I fail to keep up in the course due to my lack of understanding about the field of music?

Our content is adjusted to a general audience. 

课程是否会因在音乐领域积累不足而无法跟进？
教师依照课程核心，一方面给出清晰课程线索，跟进不难，另一方面，教师尽可能调整课程内容，照顾到全体情况。根据以往的经验，课程结束，同学均可跟进课程标准，且不乏各样收获。

Are there content knowledge pre-requisites for this course?

An earnest desire to learn and a proactive, professional attitude are more important than prior knowledge of content matter. The learners are expected to absorb the basic content points quickly and use them as a base for further learning.

课程内容秉持怎样的上课标准？
教师保持一贯上课理念，认为专业，关于态度，不关乎知识，不会因同学不同程度，顾左右言其他，忽略最核心最关键知识点及问题的涉及。

Which is more important for this course, knowledge or ability?

This course is most concerned on the development of music listening ability, though some knowledge of music will be helpful. 

课程重视知识还是能力？
课 程最关心音乐聆听能力的发展，在提供行之有效聆听技术的同时，安排适当知识内容的传授。加之考试不重知识，而重能力，因此，课程中因教室光线不足而造成无 法做太多笔记，恰恰是教师所希望的。课后传发同学的曲目说明，其中所标出的知识点，所指系能力而非知识。在音乐领域，所谓历史是听觉样本，即艺术品本身积 累起来的，而非人名和作品名串联起来的。艺术史，是感觉的历史，不是文字描述的历史。

What is the aim of the music puzzle assignment within the course?

The purpose of the assignment is to prepare and develop audiometry and memory skills.

课程所谓音乐拼图作业的目的是什么？
作 业的目的，在于听觉甄别力和记忆力的筹备与发展。相当于我们小时候玩得拼图或积木游戏，从局部观察到整体把握，这一训练所形成的对线条、形状、色泽等构成 物的甄别与记忆，不仅是视觉所需，也是发达听觉所必备。多数情况下，类似课程作业的练习，在中国音乐课程中，很少会有。之所以课程一开始便这样做，是因为 知道学生听觉的普遍问题。不少同学在实践之初，会遇到困难，这很正常，如果没有做好接受困难的准备，也就不必来此课程分享，也就不必来北大读书了。

Will the course provide information about music composition and technology?

No. Music composition mastery requires long-term training, usually at a conservatory level.

课程是否可能或可以提供关于作曲的知识与技术？
课 程不可能在作曲方面给予单独帮助，通过目前的教学方式，尽管正在探索，教师只能也必须照顾到最大多数同学的需求，这一难处，是客观的，请多谅解。关于作曲 四大件的技术发展，在音乐学院有一套完整的训练程序，乐理是入门，和声是基础，二者建立关于调性音乐系统的初阶。随后的复调写作，作曲系耗时约需一年甚至 更多，根据全面仿作练习，帮助同学发展多声思维和多声部操控技术。配器是第三梯度，约需一年时间完成，全面掌握乐队法。曲式分析，是封顶收官之课。将之前 所有梯队课程的内容，一并总结。

Will the course be available in English?

The videos in the course will include English subtitles. However, the rest of the course content will only be available in Mandarin.

这门课程使用英语授课吗？
视频中教师使用中文授课，有英文字幕，但是课程的其他内容，如阅读、作业题、讨论等都只用中文。

Data structures play a central role in computer science and are the cornerstones of efficient algorithms. Knowledge in this area has been at the kernel of related curriculums. This course aims at exploring the principles and methods in the design and implementation of various data structures and providing students with main tools and skills for algorithm design and performance analysis. Topics covered by this course range from fundamental data structures to recent research results. "Data Structures and Algorithm Design Part I" is an introductory course focusing on basic data structures, including vectors, lists, stacks, queues, binary trees, and graphs. They are important in programming practice, as well as fundamental to our advanced course: "Part II."

数据结构是计算机科学的关键内容，也是构建高效算法的必要基础。其覆盖的知识，在相关专业的课程体系中始终处于核心位置。本课程旨在围绕各类数据结构的设 计与实现，揭示其中的规律原理与方法技巧；同时针对算法设计及其性能分析，使学生了解并掌握主要的套路与手法。讲授的主题从基础的数据结构，一直延伸至新 近的研究成果。本学期的数据结构（上），是数据结构的入门课程，着重讲解向量、列表、栈、队列、二叉树、图等基本的数据结构，它们不仅本身具有重要实用价值，而且为学习后续课程“数据结构（下）"提供了基础。更多介绍详见：http://dsa.cs.tsinghua.edu.cn/~deng/ds/mooc/，或加入本课之后查看FAQ栏目。