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.

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.

NBA All-Star Kevin Love joins sports yoga instructor Kent Katich for four dynamic, athletic yoga practices designed to build flexibility and improve balance.

First, call 911. This program shows viewers how to respond to common medical emergencies while waiting for professional help to arrive. With demonstrations and commentary from an experienced paramedic throughout, each section describes trauma situations or symptoms of distress and the best way to address them. The video also includes relevant advice on topics such as giving yourself the Heimlich maneuver, using an epi-pen on someone having an allergic...

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...

La práctica crea maestros, acepta esta serie de desafíos de programación con C++ y mejora tu pericia programando de forma amena y divertida, a la vez que desafiante. ¿Te apuntas? Si quieres mejorar tus habilidades como programador o programadora, y convertirte en una persona experta en C++, este curso es para ti. A lo largo de las diferentes lecciones te enfrentarás a una gran cantidad de desafíos que motivarán tus ganas de aprender, y de...

Learn to create, design, and manage SharePoint communication sites effectively to enhance business collaboration, content management, and user engagement. This course is designed to help you get up and running with SharePoint communication sites, focusing on planning and managing these powerful tools. Join instructor Shari Oswald as she explores core concepts like site objectives, audience identification, information architecture, effective navigation,...

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,...

このコースでは、2018年10月に公開されたWindows 10 October 2018 Updateの主な新機能や機能強化について解説します。 このたび2018年2回目となるWindows 10 October 2018 Updateが行われ、さまざまな新機能や機能強化がWindows 10に新たに実装されました。このコースでは、Windows 10 October 2018 Updateの主な新機能や機能強化について解説します。Windows 10とAndroidのスマートフォンとの接続をアプリ経由で行える同期電話や、新しくなったスクリーンショットの撮り方などの新機能のほか、機能が大幅にアップされたメモ帳や、これまでは閲覧のみだったHEIF形式画像への対応など強化された各種機能を紹介します。...