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.

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.

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.

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.

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.

Explorez toutes les nouveautés de Windows 10 pour rendre votre expérience encore plus riche. Entre interface et fonctions améliorées, votre espace de travail est simplifié et devient plus pratique. Que vous soyez un particulier, un directeur de service informatique ou un développeur d'applications, découvrez les nouveautés de Windows 10, tant attendues. Dans ce cours, Martial Auroy vous fait part de tous les changements essentiels qui concernent...

このコースでは2020年5月に行われたWindows 10 May 2020 updateで新たに実装された機能や強化された機能をまとめて紹介します。 WIndows 10は１年に２回大きなアップデートが行われ、新機能の追加や機能強化が行われます。2020年5月に行われたアップデートがWindows 10 May 2020 updateです。このコースでは、今回のアップデートで新たに実装された機能や強化された機能をまとめて紹介します。クラウド経由でのPCのリセットや簡単になったIMEのカスタマイズ、電卓に搭載されたグラフ作成機能やメモ帳の機能強化などについて詳しく解説します。May...

Discover the full potential of Google Analytics 4 (GA4) in this course designed for intermediate- and advanced-level users. Google Analytics 4 (GA4) sets a new standard for data-driven insights, offering enhanced customization, sharper analysis, and more actionable metrics. In this comprehensive course, join analytics expert Dana DiTomaso as she unveils the full potential of GA4 for intermediate- to advanced-level users. Learn how GA4’s innovative...

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...

Focuses on the hows and whys of graphic design history, from Art Nouveau to new wave, detailing the development and evolution of specific styles, techniques, and genres. The history of graphic design is a history of cultural expression, reflecting not only what people thought during a given time period, but also how they felt. Whether you're curious about the development of design or are seeking inspiration for your own creations, expand your visual...