Harriet Tubman was born into slavery in Maryland. She escaped and came back to lead hundreds of enslaved people to New York and Canada along the route of the Underground Railroad. She was also a spy for the United States Army during the...

From the section: Getting Ready for Python Network Programming. In the first section, we will go over the course overview, setup our hands-on lab, and review of key concepts. The course overview will give you a general idea of the...

Compare a boxy 1980s TV to the sleek high-definition TVs of today: That’s a 25-fold difference. Spencer Smith’s microscope is a 100-fold difference over the microscopes used today. Smith, of the University of North Carolina’s School of...

It describes the role of microbes as biofertilisers and the advantages of use of microbes over chemical fertilisers.

A description of an HTTP request.

This video explains the concept of class inheritance in Java.
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This clip is from the chapter "Inheritance and Abstraction" of the series "Learn How to Code: The Complete Core Java Programming Course".This section explains...

The expression “being neighborly” may call to mind giving away a cup of sugar or watching over neighbors’ homes while they are out of town. Actions such as these are bound to produce good relationships between neighbors. But, what if a...

Don Ambrose is a Professor of Graduate Education at Rider University in NJ, editor of the refereed journal "Roeper Review", past chair of the Conceptual Foundations Division of the National Association for Gifted Children. Initiates and...

Greg and I visited the incredible Tegalalang Terraced Rice Paddies but we wanted to explore a little further and share with you HOW the Balinese people grow rice all over the country. So, we jumped on a scooter and searched out the local...

What was life like for an enslaved person in America? This program explores the daily life and customs of enslaved children and adults from Colonial Times through Emancipation. What foods did they eat? How did they celebrate marriage?...

What is a volt? What careers deal with battery production and innovation?<br/>
Battery Power Innovations, Part 3

Field lines, potentials, equipotential lines and potential gradients – they sound similar but mean different things! With all these confusing terms, it would be much easier to kick back and watch some soccer (football). In fact, why...

This video is a lecture on electric fields, focusing on the definition and characteristics of electric fields, how they are represented on diagrams using electric field lines, and how they can be used to explain phenomena such as static...

Over the last century, California's Central Valley has lost 95% of the wetlands habitat, which is needed for the shorebirds while on their migration. The solution involves big data, binoculars and rice paddies. The Nature...

How has hearing assistant technology improved over the years? What you can do if you want to work in this field?<br/>
Cochlear Implants, Part 4

This video explains what and why about markdown.
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This clip is from the chapter "Project 2- DevSpace Static Markdown Blog" of the series "Next.js from Development to Deployment: Build a Music Event Website".This section...

To observe how winds move high in Earth's atmosphere, scientists sometimes release clouds of barium as tracers to track how the material corkscrews and sweeps around � but scientists have no similar technique to study the turbulent...

Sungrazing comets are a special class of comets that come very close to the sun at their nearest approach, a point called perihelion. To be considered a sungrazer, a comet needs to get within about 850,000 miles from the sun at...

This is a professional shadowgraph performance of a traditional folk tale. It is seen from the front and also backstage and shows how the shadows are cast and how some special effects are achieved.
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A little shadowgraph...

Backend Programming with PHP: Template Class & Setup
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This clip is from the chapter "Backend Programming with PHP" of the series "The Full Stack Web Development".Here, we talk about all the basics of PHP and move on to OOP,...

The metric system is an internationally agreed upon convention for measuring distance, time, volume, and other quantifiable measurements. Learn about the benefits of the metric system and the importance of a universally recognized system...

Up until a couple centuries ago, we had no idea what light is. It seems like magic, no? But there is no magic in this world, really. Just stuff we don't understand. So let's understand light a little better right now!

Comparing the electric fields of point charges to the gravitational field of a planet both at a local and far distant location.

This video focuses on a rectangle class.<br/<br/>>

This clip is from the chapter "Introduction to Classes and Objects" of the series "The Complete C++ Developer Course".This section introduces classes and objects.