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In the old-style analog telephone system, voltage increased and decreased across the wires, corresponding to the human voice signal. But in a digital system, that all changes. Learn how the human voice is changed into binary values, sent over the system, and then converted back into volts with the voltage applied to the speaker in the phone handset. The human ear takes it from there.
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Learn about the spiritual revolution of King Akhenaten, and the monuments that bear witness to it. Begin with a look back at an earlier necropolis that influenced Akhenaten, that of Beni Hasan, containing some of the most beautiful painted tombs in Egypt. Continue to the capital city of Amarna, the setting for Akhenaten's religious reformation that focused on the sole worship of the sun god Aten.
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Taught by noted physicist Dr. Don Lincoln of the Fermi National Accelerator Laboratory, this course follows the search for a theory that explains all physical reality-a theory of everything. Dr. Lincoln covers recent developments in particle physics and cosmology, plus the background needed to appreciate the centuries-long search for this holy grail of science. Only high-school-level math is used.
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The Old Testament is one of the foundational documents of Western civilization. In this course, viewers will study a selection of the major books of the Old Testament, probing their meaning and relevance. Among these, viewers will explore the prophets, the wisdom literature, and the apocalyptic literature, finding their deeper historical and religious import, as well as their sublime literary treasures.
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Every time you watch baseball, you’re participating in the latest chapter of a compelling story that goes back hundreds of years. In 24 lectures that paint a portrait of the sport’s remarkable past and take you from the decades before the Civil War to the pivotal year of 1920, Play Ball! The Rise of Baseball as America’s Pastime strikes a perfect balance between sports lore and cultural history.
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Delve into some of the most infamous, ghastly, and mysterious crimes of the last hundred-odd years in Crimes of the Century: A Selective History of Infamy. Taught by Professor Richard B. Spence of the University of Idaho, this enthralling course gives you a dozen case studies of murders most foul. From an intriguing Irish domestic murder to a world-shaking political assassination, survey some of the most heinous crimes in modern history.
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Franklin loved science and ideas, but disliked controversy, a disposition that made him reluctant to enter politics. It is one of history's greatest ironies that this hesitant politician would become one of the most important political figures in the English-speaking world. Survey Franklin's entry into politics and consider his style as a politician.
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One of the CIA's first major setbacks was the tragic failure of the Hungarian uprising, despite the agency's attempts to liberate the Eastern Bloc countries during the early 1950s. Here, investigate CIA efforts to organize anti-communist Eastern European emigres to liberate their homelands and the creation of Radio Free Europe to counteract communist-controlled media.
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Discover how to work with the 2017 version of Adobe Captivate. Learn how to create new projects, add assets and interaction, publish your elearning content in HTML5, and more.
Captivate is a leading elearning authoring tool from Adobe that allows for the rapid creation of interactive learning content. In this course, David Rivers helps you get acquainted with the 2017 version of Adobe Captivate. David demonstrates how to create new projects, add...
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Learn how to create and manage collections in Webflow, the easy-to-use online platform that lets you build beautiful websites without writing a single line of code.
Webflow allows you to create professional-looking websites without writing a single line of code. It also lets you manage large amounts of repetitive content using a customizable database called a collection. In this course, instructor Jen Kramer shows the basics of how to add, organize,...
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Build a basic and intermediate understanding of network security using easily accessible, free, and open-source software solutions. Hands-on challenges enhance your learning.
Network protection is vital to organizations big and small, but it doesn't have to be an expensive proposition. In this course, Jungwoo Ryoo—a professor who teaches IT, cyber security, and risk analysis at Penn State—shows you how to protect your network with open-source...
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"For the past few hundred years, most of what we've been taught about the native cultures of North America came from reports authored by the conquerors and colonizers who destroyed them. Now, with the technological advances of modern archaeology and a new perspective on world history-we are finally able to piece together their compelling true stories. In Ancient Civilizations of North America, Professor Edwin Barnhart, Director of the Maya Exploration...
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Explore the tools you need to become a proficient ethical hacker: Kali Linux running in a VirtualBox environment, the Metasploitable system, and a Juice Shop website for testing.
For ethical hackers, from beginners through to the most experienced professionals, Kali Linux provides the most effective platform from which to run penetration tests. In this course, cybersecurity expert Malcolm Shore introduces you to the set of tools necessary for efficient...
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Discover how to better manage yourself by adopting the accountability mindset. Learn about specific, practical steps you can take to implement accountability.
Being accountable is more than just being responsible for something—it's also, ultimately being answerable for your actions. To hold yourself accountable, you must find the motivation to do difficult things. You need to amplify the urgency of your mission, know why it matters, and understand...
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Learn about the changes introduced in ITIL® 4 Foundation, and how updates to this service management framework affect the popular ITIL® Foundation certification exam.
The release of ITIL® 4 modernizes the popular service management framework, adding coverage of topics such as lean, agile, and DevOps. In this course, get a first look at the ITIL® 4 Foundation exam. ITIL® Expert David Pultorak provides a high-level overview of ITIL® 4, as well...
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Make training successful for adult audiences with these instructional design best practices and techniques.
Adult learners have specific needs that have to be considered during the instructional design process. In this course, one in a series on instructional design, Jeff Toister explores the best practices and techniques that will help designers work with, and train, adult learners. Explore the theory behind adult learning, discover techniques to...
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Learn about the benefits and challenges of doing business to consumer (B2C) online, and how you can adopt an effective business model to sell your products online.
In the online business to consumer (B2C) business model, companies sell their products and services directly to their customers on the internet. In a landscape where consumers increasingly prefer the simplicity of online purchasing, many companies are evolving to sell directly to customers...
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Learn how to design a BIM model of a healthcare facility using Revit and Navisworks, taking into consideration the latest safety requirements in our new normal.
A building's interior defines many interconnected spaces, and the design of the building affects the way things move through each space. You must consider how air, gases, contaminants, and fire will behave in the building. In this course, instructor Eric Wing shows how to design a BIM model...
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Streamline the design of routed tubing and hose systems with Autodesk Inventor. Learn how to automatically and manually route tubing through your assemblies.
Designing routed elements—including tubing and flexible hose—has never been easier than with Autodesk Inventor. Inventor's rules-based routing tools select the appropriate fittings, allowing you to easily change to a different style of fittings. Inventor will repopulate the run with the...